Laboratory Consumables Glass Slide Drain Rack 25 Pieces Glass Plate Drying Rack for Glue Making Blue Rectangular
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The derivation of the formula for calculating the circumference of the circle area demonstrates the transformation of the model circle into a rectangle.
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Large series-parallel circuit demonstration board for teachers in junior high school physics and electricity experiment equipment teaching instrument teaching board
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Demonstration of electromagnetic relay normally open and normally closed junior high school physics electromagnetism experimental equipment teaching instrument 24014
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Photoelectric effect demonstrator photoelectric tube middle school physics experiment equipment teaching instrument electrical teaching aids 21051
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AC Circuit Characteristics Demonstrator Middle School Physics Demonstration Experiment Inductance Capacitance Current Teaching Instrument 24047
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Hertz experiment demonstrator Senior high school physics teaching instrument laboratory equipment electromagnetism instrument 24060
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Water electrolysis experiment demonstrator 25ml with power supply junior high school chemistry experiment equipment physics teaching instrument teaching aid
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Laboratory standard round bottom flask 50/100/150/250/500/1000ml single-mouth reagent bottle large price
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5225 distillation decompression device stainless steel bracket 5221 azeotropic distillation device supporting fixture stainless steel
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Laboratory Consumables Glass Slide Drain Rack 25 Pieces Glass Plate Drying Rack for Glue Making Blue Rectangular
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Wholesale Silkworm Life History Specimen Professional Teaching Aaids Teaching Instruments Experimental Consumables Understanding the Growth Process of Silkworm
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High purity quartz crucible with lid crucible pure high temperature resistant high transparent experiment dedicated 5ML-2000ML acid and alkali resistant
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The gas absorption bottle conforms to the new national standard GB41700-2022 electronic yan release detector trap
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Laboratory brown wide-mouth glass reagent bottle sealed large-mouth frosted iodophor bottle 60ml125ml250ml
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Student signal generator physics experiment equipment Senior high school physics teaching instrument middle school teaching aids 24029
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Reflux Ratio Controller Experimental Distillation Column Controller LST-6 Distillation Device Special for Magnet Controller
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Laboratory standard round bottom flask 50/100/150/250/500/1000ml single-mouth reagent bottle large price
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12003 electronic stop watch 0.1s multi-function stopwatch/sports stopwatch electronic stopwatch student sports timer
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RE-rotary evaporator extraction distillation crystallization device. One litre, five litres, ten litres, twenty litres, fifty litres
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Demonstration dynamometer (0~2)N junior high school physics teaching instrument physics laboratory equipment mechanics experiment
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Centrifugal pump model junior high school physics teaching instrument physics experiment equipment gear centrifugal pump model
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1904 Bubble Absorber Bottle Aoshi Gas Analyzer Accessories Contact Absorber Tube Platinum Wire Explosion
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in stock liquid pressure and depth relationship experiment device physics teaching instrument primary Senior high school teaching equipment demonstrator
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Common capacitor teaching board Common resistance teaching board Physics teaching instrument Middle school electrical experimental equipment
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Middle School Physics Paper Tape Dot Timer Paper Tape
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Wind Cup Anemometer Teaching Anemometer 16025 Portable Wind Anemometer Light Wind Meter Primary School Science
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Single-turn coil motor principle demonstrator Senior high school physics teaching instrument new curriculum standard teaching equipment 24042
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Electric heat tracing distillation column 5235 with expansion ring distillation column 100cm electric heating wire filled electric heat tracing heating
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