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发明名称
Relay
摘要
申请公布号
US2279811(A)
申请公布日期
1942.04.14
申请号
US19400341219
申请日期
1940.06.19
申请人
BELL TELEPHONE LABORATORIES INCORPORATED
发明人
BAKER CLARENCE I.
分类号
H01H50/58
主分类号
H01H50/58
代理机构
代理人
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