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High borosilicate Y-type glass test tube 30mm chemical experiment instrument teaching instrument
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Thickened stainless steel lifting platform 150*150 manual aluminum oxidation laboratory lifting platform teaching instrument
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J03004 Laboratory universal manual stainless steel lifting table 100x 100mm small lifting platform
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Magnetic induction line demonstrator J24003 electromagnetic field physics experimental equipment magnetic field distribution teaching instrument
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Magnetic induction line demonstration board large J24005 electromagnetic magnetic field demonstration board physical magnetic induction line demonstration instrument
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J25002 concave mirror J25003 concave mirror large diameter 10cm physics teaching optical experiment
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J21067 flat throw and collision tester glass ball steel ball initial Senior high school physics experimental instrument
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Electric hole punch J02006 hole punch machine electric drill chemical laboratory rubber plug hole punching teaching instrument
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Flat throwing motion experimental device J21066 middle school physical mechanics experimental mechanics motion principle teaching instrument
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Single-pole switch single-pole double-throw switch small lamp holder primary Senior high school physical and electrical circuit laboratory equipment teaching instrument
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Burner Clamp 26CM Laboratory Consumables Chemical Experimental Equipment Middle School Teaching Instrument Holding Tool Beaker Clamp
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