HQ-24019 Hand - type AC DC generator educational equipment laboraotry
HQ-24019 Hand - type AC DC generator The model hand Ac and Dc generator mainly provides the demonstration of the construction and operation principle of an AC and Dc generator for teaching the physics for junior middle schools and the natural science for primary schools. It is al
Guangzhou Best Classic Co., Ltd. [2014-06-03 02:50:56 ]
