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发明名称
Communication system
摘要
申请公布号
US2388906(A)
申请公布日期
1945.11.13
申请号
US19440553314
申请日期
1944.09.09
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
CORDERMAN ROY C.
分类号
H04J1/00
主分类号
H04J1/00
代理机构
代理人
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地址
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