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Указатель электроскоп
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This instrument is used in static experiment for checking the variety of charges, measuring the quantity of charges, checking which is positive or negative charge in the objective, and checking the in
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Полиспастов для демонстрации
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J2121 demonstration block and tackle, J2122 student block and tackleUse:1st, specially feed the physical teaching in the middle school and natural general knowledge discipline in the elementary school
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Полиспастов для демонстрации
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J2121 demonstration block and tackle, J2122 student block and tackleUse:1st, specially feed the physical teaching in the middle school and natural general knowledge discipline in the elementary school
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Авто Реостат
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Product Name: Slide RheostatModel Number: J2354Place of Origin: ChinaJ2354-1 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, bigJ2354-2 slide rheostat:Resistance: 0-20 ± 5%]
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Авто Реостат
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J2354-1 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, bigJ2354-2 slide rheostat:Resistance: 0-20 ± 5%ΩTested current: 2A, smallJ2354-3 slide rheostat:Resistance: 0-50
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Щелевые Вес Установить
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Our company can supply various types of lab instruments. These products are widely used in the primary and middle schools.
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Щелевые Вес Установить
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Our company can supply various types of lab instruments. These products are widely used in the primary and middle schools.
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Стереометрия модели
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Solid geometry model is designed according to the standard of JY58-80. It is of whole body assembly type. The structure is clear (convenient for explanation), and each section uses different colors to
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Стереометрия модели
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Solid geometry model is designed according to the standard of JY58-80. It is of whole body assembly type. The structure is clear (convenient for explanation), and each section uses different colors to
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