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发明名称
Relay
摘要
申请公布号
US2318405(A)
申请公布日期
1943.05.04
申请号
US19410398538
申请日期
1941.06.18
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
LEVERIDGE WALTER J.
分类号
H01H51/22
主分类号
H01H51/22
代理机构
代理人
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地址
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