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发明名称
Relay device
摘要
申请公布号
US2658961(A)
申请公布日期
1953.11.10
申请号
US19520305168
申请日期
1952.08.19
申请人
FISHER CLARENCE E
发明人
FISHER CLARENCE E.
分类号
H01H50/58
主分类号
H01H50/58
代理机构
代理人
主权项
地址
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