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发明名称
Selective relay
摘要
申请公布号
US2486394(A)
申请公布日期
1949.11.01
申请号
US19460650052
申请日期
1946.02.25
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
EANNARINO GEORGE
分类号
H01H51/32
主分类号
H01H51/32
代理机构
代理人
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地址
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