Transparent cylindrical tube spring dynamometer Newton tension scale 1 2.5 5 10 20 25 30N complete specifications
5.0
43,185 sold.
22,570 so'm
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Asbestos net 12.5 * 12.5cm 15*15cm20*20cm heat insulation net heating evenly
5.0
35,948 sold.
3,057 so'm
Test tube clip bamboo glass test tube clip wooden clip chemical experiment equipment factory direct supply large quantity discount
5.0
48,051 sold.
3,057 so'm
Dissecting needle insect dissecting needle biological experiment equipment Middle School teaching instrument
4.9
17,521 sold.
4,467 so'm
Small bulb 2.5v1.5v3.8v6V small ball experiment small lamp holder experiment Electrical Experiment flashlight bulb
5.0
44,724 sold.
941 so'm
Small light bulb 2.5V1.5V3.8v6v12v small electric bead lamp holder experimental electrical experiment flashlight bulb lamp
4.9
89,498 sold.
847 so'm
Strip box dynamometer factory direct Spring dynamometer Spring scale physical mechanics experimental equipment Spring
5.0
6,018 sold.
8,464 so'm
Dissecting plate wax plate 27003 stainless steel dissecting plate 19 * 26cm junior high school biological experiment equipment teaching instrument
5.0
405 sold.
32,915 so'm
24 kinds of mineral rock fossil specimen 401 pocket rock mineral specimen copper mine geography geology teaching aid
4.5
443 sold.
39,968 so'm
The same volume and different density experimental teaching instrument for cube group physics experiment
0.0
5,791 sold.
42,319 so'm
Metal slot code J11022 high school junior high school physics experiment equipment mechanics instrument Middle School teaching instrument
0.0
750 sold.
56,425 so'm
Glass graduated measuring cylinder experiment thickened measuring cylinder
5.0
2,375 sold.
6,113 so'm
recoil rubber band car elementary school fourth grade science experiment material science and technology small production mechanics car
0.0
250 sold.
17,868 so'm
Reaction plate 6-hole/hole dropping plate color plate chemical experiment equipment porcelain reaction plate teaching instrument
0.0
212 sold.
11,756 so'm
Glass Light Screen Imaging Screen Junior High School Physical Optics Experimental Equipment Teaching Optical Bright Accessories Translucent
0.0
138 sold.
32,915 so'm
2.5kg spring scale 25N cylinder dynamometer Yuyao Mengchao teaching instrument factory direct sales comparison of three
4.8
30 sold.
17,868 so'm
Heat conduction demonstrator Middle School physics experiment J22208 heat conduction heat transfer heat storage experiment equipment
5.0
120 sold.
98,744 so'm
Friction lifting electric rod J2302 glue rod attached with fur physical Friction electrostatic experimental equipment scientific experiment
4.7
742 sold.
28,213 so'm
Two-hole wooden block with hook small wooden block 6-hole friction experiment small wooden block physical experiment instrument
0.0
268 sold.
21,160 so'm
Junior high school chemistry simple oxygen production device Middle School oxygen production device teaching instrument
5.0
112 sold.
28,213 so'm
Pulley block and bracket upgrade pulley wire belt iron frame primary school science physics mechanics experimental equipment instrument
5.0
98 sold.
56,425 so'm
Sliding rheostat 5Ω10Ω20Ω50Ω Ohm adjustable rheostat physical and electrical teaching instrument
5.0
1,269 sold.
56,425 so'm
Plane imaging experimental device experiment plane mirror imaging demonstrator large experimental teacher demonstration 25010
5.0
1,029 sold.
56,425 so'm
Evaporation crystallization experiment heating suit evaporation dish alcohol lamp tripod glass rod asbestos net chemical experiment
5.0
20 sold.
121,314 so'm
27003 dissecting plate, wax plate, stainless steel dissecting plate junior high school biological anatomy experimental equipment 19cm * 26c
5.0
10,116 sold.
21,160 so'm
Small lampholders for physical and electrical tests Bulb bases for series-parallel circuits for tests Physical equipment Bulbs
5.0
1,351 sold.
4,232 so'm
22203 air compression ignition instrument mechanical energy conversion heat energy gas work Junior High School physical thermal experiment
0.0
4,466 sold.
56,425 so'm
Wholesale metal hook code 50g * 10 lever principle mechanics experiment hook code junior high school physics mechanics experiment instrument
0.0
6 sold.
36,677 so'm
23023 simple resistance box 9999Ω physical experiment equipment high school teaching teaching instrument
5.0
990 sold.
103,446 so'm
Silkworm life history specimen J43151 Primary School experimental equipment biological instrument teaching instrument
5.0
1,166 sold.
70,531 so'm
U-shaped wire alligator clip wire 20cm junior high school Senior high school physics teaching instrument for student experiment
0.0
4,100 sold.
471 so'm
Mineral extract specimen J49009 Primary School experimental equipment popular science instrument teaching instrument
5.0
213 sold.
42,319 so'm
Primary Battery tester battery simulation device chemical experiment equipment teaching instrument copper iron zinc electrode
5.0
563 sold.
31,504 so'm
Liquid Pressure and Deep Relationship Experimental Device Junior High School Physics New Curriculum Teaching Instrument
0.0
50 sold.
47,021 so'm
Soil specimen J49008 junior high school geography Middle School teaching instrument Primary School experimental equipment
5.0
176 sold.
47,021 so'm
Bacteria model nuclear model demonstration student biological teaching model amplification model teaching instrument
0.0
106 sold.
178,679 so'm
Stainless Steel Dissecting Needle Laboratory Anatomy Biological Insect Dissecting Needle Specimen Making Experimental Probe Teaching Tool
5.0
30 sold.
3,668 so'm
Factory Direct 3212 DNA Structure Model Biological Medical Teaching Model
0.0
16 sold.
498,419 so'm
Optical group with track optical group aluminum alloy track small optical bench concave-convex lens teaching instrument
5.0
147 sold.
164,573 so'm
Plant cell model biological teaching enlarged anatomy plant model middle school Cell anatomy teaching model
0.0
23 sold.
141,062 so'm