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发明名称
OPTOELECTRONIC VOLTAGE RELAY IN PARTICULAR FOR CONTROLLING AND STARTING A DC ELECTRIC MOTOR
摘要
申请公布号
PL141187(B2)
申请公布日期
1987.07.31
申请号
PL19850255674
申请日期
1985.10.08
申请人
发明人
分类号
H02P;H02P1/20;(IPC1-7):H02P1/20
主分类号
H02P
代理机构
代理人
主权项
地址
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