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发明名称
VARIABLE RESISTANCE CONTROL DEVICE FOR REGULATING THE SPEED OF AN ELECTRIC MOTOR
摘要
申请公布号
US3512429(A)
申请公布日期
1970.05.19
申请号
USD3512429
申请日期
1968.01.19
申请人
MEFINA SA.
发明人
MARCEL FRESARD
分类号
D05B69/18;H01C10/14;H01C10/50;(IPC1-7):H01C5/06;G05G1/00
主分类号
D05B69/18
代理机构
代理人
主权项
地址
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