Resistance ring 5ohm 10ohm 15ohm fixed value resistance J23018 Electrical Experiment measurement resistance Middle School Physics
1.0
1,576 sold.
11,756 so'm
Experimental instrument device | 2,000+ products
Handheld convex concave lens zoom-in mirror optical fixture seat accessories physical light student experimental equipment focal length 10cm
5.0
1,146 sold.
9,875 so'm
Wholesale foreign trade glass wine meter White Alcohol Hydrometer wine meter concentration meter Russian alcohol meter 0-96 °
5.0
7,208 sold.
5,643 so'm
Scalpel (dissecting knife handle + blade) dissecting tool apparatus biological experiment equipment teaching instrument
5.0
1,260 sold.
11,756 so'm
Spring dynamometer strip box dynamometer 5N10N2.5N1N spring balance weighing physical mechanics experimental equipment
4.9
4,469 sold.
8,934 so'm
Stirring rod glass glass rod 15cm20cm glass rod laboratory transparent round head high borosilicate glass rod
5.0
1,725 sold.
1,881 so'm
Bobai's hydrometer 0-70 density meter Baume meter alcohol meter liquid concentration meter glass float meter Bobai's
5.0
365 sold.
7,054 so'm
Teaching Instrument Handheld Sieve Student Sieve
0.0
480 sold.
7,054 so'm
14008 flat dynamometer 5 cow spring dynamometer Junior High School physical mechanics experimental equipment teaching instrument
0.0
161 sold.
11,756 so'm
Tray Balance Weights Household Small Balance Student Physical Equipment Laboratory Rack Mechanical Balance Teaching Aids
4.9
1,282 sold.
1,223 so'm
29006 pulley set and bracket primary school physics experiment instrument device teaching aids instrument factory direct sales
5.0
6,157 sold.
8,464 so'm
Factory Direct Electro-hydraulic Hydrometer Density Meter Electrolytic Hydrometer 1.100-1.300 Battery Ratio
5.0
150 sold.
21,160 so'm
Hydrometer measuring bottle 100ml measuring cylinder brewing suit liquor concentration meter density meter alcohol meter 0-100
0.0
1,240 sold.
6,113 so'm
Burning spoon copper burning spoon heating medicine spoon burning experiment sampling equipment chemical laboratory consumables
5.0
17,749 sold.
2,446 so'm
Alcohol meter liquor degree measuring meter household wine alcohol tester high precision glass wine meter alcohol meter
5.0
1,714 sold.
5,643 so'm
Portable Bensheng lamp laboratory dental heating disinfection gas lamp medical teaching fire gun alcohol lamp cross-border
5.0
768 sold.
211,593 so'm
29001 Bevel double bracket primary school science experiment equipment physical friction experiment equipment Bevel small car
5.0
2,222 sold.
21,160 so'm
Brass Metal Chinese and English gift Compass/leisure gift advertising promotion Travel pointer J57
0.0
715 sold.
24,451 so'm
Three-group alcohol meter liquor alcohol concentration meter high precision alcohol meter gravity meter liquor meter
0.0
0 sold.
3,245 so'm
Insect Observation Cage Children's Outdoor Exploration Insect Small Animal Collector Portable Capture Tool Collection Box
5.0
2,107 sold.
47,021 so'm
29040 insect observation box (large) with 3 times magnifying glass primary school scientific observation experiment container instrument
5.0
3,672 sold.
14,107 so'm
High precision salinity meter sea water density meter hydrometer aquaculture seafood fish tank aquarium salinity meter
4.6
4,451 sold.
9,405 so'm
Alcohol meter alcohol meter plastic box three groups 0-100 degree factory wholesale source factory
5.0
20,785 sold.
5,643 so'm
29005 lever ruler and Bracket. Primary school science experiment equipment. Lever balancer. Teaching instrument balance ruler
5.0
972 sold.
27,272 so'm
Factory wholesale liquor alcohol meter 0-70 0-100 degree liquor alcohol concentration meter alcohol meter self-brewing meter
0.0
300 sold.
4,703 so'm
15011 multi-purpose electric meter pointer type 2.5 grade multi-purpose electric meter junior and senior high school physical multimeter teaching instrument
0.0
151 sold.
164,573 so'm
Tool 22 pieces stainless steel dissecting scissors needle experimental equipment tool probe scissors tweezers teaching instrument teaching instrument
5.0
935 sold.
305,634 so'm
29040 insect observation box for primary school science not less than 3 times amplification device
5.0
3,650 sold.
4,703 so'm
Fuxinglong Factory Price Sales Supply Bomei Hydrometer 0-5, 0-70 (density 1.0-2.0)
5.0
4,453 sold.
14,107 so'm
BY110-10 American-style Bensheng Lamp Heating Lamp Alloy Laboratory Burning Flame Lamp Natural Gas
5.0
1,395 sold.
141,062 so'm
Stainless steel biological dissector needle insect specimen probe dissector needle laboratory teaching equipment instrument
0.0
216 sold.
4,326 so'm
Children's Insect Catcher Net Fishing Net Outdoor Parent-child Toy Portable Detachable Net Pocket Fishing Net suit Insect Catcher Net
5.0
15,783 sold.
32,915 so'm
Mortar porcelain 60mm with grinding Rod Medicine Bowl laboratory chemical consumables factory direct supply various specifications
3.0
1,191 sold.
9,405 so'm
J2150 Object Center of Gravity Demonstrator 7 Kinds of Aluminum Plate Physics Teaching Instruments Equipment for the Center of Gravity of Plate Objects
5.0
145 sold.
164,573 so'm
New hardcover Bomei hydrometer inspection qualified liquid measurement Special 0-70 pomei hydrometer precision
5.0
140 sold.
11,756 so'm
Pocket steel 512Hz tuning fork Teaching instrument Experiment tuning fork, check tuning fork Acoustic tuning fork
0.0
341 sold.
15,517 so'm
Wholesale metal hook code 50g * 10 lever principle mechanics experiment hook code junior high school physics mechanics experiment instrument
0.0
0 sold.
36,677 so'm
Electrohydraulic hydrometer car battery battery plus electrolyte density meter measuring 1.100-1.300 suction type
5.0
3,017 sold.
22,570 so'm
Chuda 80mm aluminum alloy round desktop compass metal portable pocket compass 3028
5.0
960 sold.
11,756 so'm
Stainless Steel Biological Anatomical suit Four-piece Set Seven-piece Set Stainless Steel Anatomical Tools suit Experimental Teaching Supplies
5.0
180 sold.
54,074 so'm