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发明名称
ELECTRIC CIRCUIT OF MINE CONTACTOR CIRCUIT-BREAKER
摘要
申请公布号
PL121027(B1)
申请公布日期
1982.04.30
申请号
PL19800222685
申请日期
1980.03.12
申请人
发明人
分类号
H01H;H01H83/12;H02H;H02H7/09;(IPC1-7):H01H83/12
主分类号
H01H
代理机构
代理人
主权项
地址
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