Ningbo Joan Imp.& Exp. Co., Ltd.

Products List
van de graaff generator and Experiment with accessories

van de graaff generator and Experiment with accessories

*1.Primary Technical Parameters1.Source voltage:220V 110V *2. discharge distance not less than 60mm *3.Resonable price. Van de Graaff Generator and Experiment with accessories.Product introductionThe instrument can provide more than ten thousand electric potential diferences.As a...
mini hand operated generator with ammeter

mini hand operated generator with ammeter

*1.realiable:Quatily and Competitive price *2.mini hand operated generator with ammeter provides the demonstration of the const mini hand operated generator with ammeterproduct introduction: The model  mini  hand operated generator with ammeter...



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