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Suction plate vacuum vacuum cover with alarm bell low pressure boiling vacuum sound transmission J02016 junior high school physics experiment

Manufacturer 02013 dual-purpose gas cylinder Junior High School and senior high school physics teaching instrument Taizhou Zhongmao teaching

Small Motor model detachable physical electromagnetism model teaching aids teaching instrument experimental equipment

Manual three-ball instrument English version LED light sun, Earth and Moon running instrument teaching instrument astronomical geography science popularization send battery

Primary Battery tester J26033 teaching instrument copper zinc electrode copper zinc sheet chemical experiment primary battery

Pointer electroscope electrometer J205 pointer-type electricity test junior and senior high school physics experiment equipment teaching

Magnetic induction line demonstration board J24005 electromagnetic magnetic field demonstration board physical experiment magnetic induction line demonstration instrument

[Factory Direct Supply] Virtual and Real Integrated Fully Integrated Digital Circuit Experimental Platform Analytical Instrument Accessories

Cube set with hook cube block copper block aluminum block iron block Junior High School physical mechanics experiment teaching instrument

[Factory Direct Supply] High Frequency Power Amplifier Teaching Experimental Module Laboratory Equipment

Manufacturer electrostatic generator positive 23040 paradigm fan's starting motor angry hair punching Crown teaching instrument

AC circuit characteristics demonstrator 24047 influence of inductance and capacitance on alternating current physical electrical equipment

Wet and dry thermometer dry hygrometer greenhouse teaching instrument experimental equipment teaching aids

Single-Pole Single-throw switch Single-gate switch 23011 Physical and electrical experimental equipment Primary and secondary school teaching instrument circuit

0407 DC ammeter 0408 DC voltmeter sensitive ammeter high precision physics teaching experiment equipment

Wooden experimental supplies basket laboratory drawer basket double wooden chemical experiment blue reagent basket

Dry and wet bulb thermometer high low thermometer thermometer thermometer bracket junior high school geography equipment teaching instrument

Fluid velocity and pressure relationship demonstrator 21022 physics experiment junior and senior high school physics teaching instrument

J2210 single pendulum motion rule demonstrator Junior High School physical mechanics experiment equipment teaching aids instrument

Students magnet set for students with magnet magnet magnet magnetic compass U-type teaching magnet compass physics experiment equipment

Bud structure model plant seed embryo model junior and senior high school biology teaching display science and education instrument

Sliding rheostat for junior high school physics experiment 5 euro 10 Euro 20 euro 50 euro teaching instrument

22219 capillary phenomenon demonstrator J2267 physical experiment equipment teaching instrument

Shenlong teaching equipment-cathode ray tube (magnetic effect tube) 24021, physical experiment equipment

Small bulb beads Shanghai spiral Port E10 2.5 3.8V physical and electrical experiment scientific teaching instrument equipment 50 PCs

Metal hook 10g20g50g100g200g lever ruler combination hook weight initial Senior high school slot code physical experiment

20511 Vertical Counter Demonstration with Three-speed Teaching Instrument Primary School Mathematics Experimental Instrument Preschool Education Abacus

real human vascular bypass surgery simulation suture training microsurgical vascular anastomosis end-to-end anastomosis

Study on the Resistance of Boat-shaped Wood-chip Elementary School Science Boat-shaped Wood-block for the Shape of Object and the Resistance of Water

Ceramic Crucible 30cm/50cm/70cm Ceramic Crucible with Lid Primary Senior high school Chemistry Experiment Teaching Instrument

American Alliance AED Defibrillator Simulation Training Machine Portable Defibrillator Home Teaching Heart First Aid Simulator

Lithium ion electrolyte lithium hexafluorophosphate electrolyte lithium battery electrolyte free invoicing SF

Hand-cranked wind power generation demonstration generator wind energy conversion electrical energy scientific inquiry experimental physics teaching equipment

Standard Iron Frame Instrument Bracket Primary Senior high school Chemical Laboratory Test Tube Rack Complete Square Seat Bracket

Common capacitor teaching board 23058 physical instrument primary Senior high school electrical experimental equipment teaching instrument

Common Resistor Teaching Board 23059 Physical Instruments Initial Senior high school Electrical Experimental Equipment Teaching Instruments

Manufacturer Maxwell Rolling Pendulum 21033 Gravity Potential Energy Kinetic Energy Conversion Demonstration Equipment Teaching Instrument

force synthesis decomposition demonstrator force synthesis and decomposition experiment middle school Senior high school physics mechanics experiment

Viesi AED Decibration Instrument Simulation X1 X3 Training Automatic External Decibration Remover First Aid Teaching Special Machine

Aluminum alloy tuning fork 128hz136.1hz MI528Hz 4096Hz sound therapy tuning fork, learning tuning fork