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发明名称
摘要
申请公布号
FR2331878(B1)
申请公布日期
1981.09.11
申请号
FR19760034017
申请日期
1976.11.10
申请人
NORTHERN TELECOM LTD
发明人
分类号
H01H51/06;H01H50/04;H01H50/58;(IPC1-7):H01H51/06
主分类号
H01H51/06
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