Motor Principle Illustrator Demonstrator AC DC Dual Purpose Motor Generator Model Physics Electromagnetics 0.09 sold.658,289 so'm
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Gas Law Demonstrator Gaylussac's Law Boyle Boyle Mallot Charlie Ideal Gas State 0.02 sold.258,614 so'm
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Compass portable pointer lens compass type stainless steel metal shell compass Chinese English optional 0.01 sold.3,198 so'm
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Factory Direct Sales 24063 Electromagnetic Wave Interference Derivative Polarization Demonstrator High School Teaching Experimental Equipment 0.01 sold.4,270,034 so'm
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Factory Direct XY-320 Throat, Heart, Lung Breathing System Biological Medical Teaching Model 0.012 sold.705,309 so'm
23023 junior high school physics simple resistance box European variable resistance box physical electrical teaching instrument adjustment resistance 1.071 sold.103,446 so'm
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