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发明名称
RELAYS
摘要
申请公布号
IE20458(L)
申请公布日期
1953.10.24
申请号
IE19520000632
申请日期
1952.12.08
申请人
STANDARD TELEPHONES AND CABLES LTD.
发明人
分类号
H01H50/18;H01H50/56;(IPC1-7):H01H50/18
主分类号
H01H50/18
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