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发明名称
Improvements relating to multi-core electric cables used for communication purposes
摘要
申请公布号
GB381992(A)
申请公布日期
1932.10.20
申请号
GB19310022290
申请日期
1931.08.06
申请人
SIEMENS BROTHERS & CO. LIMITED;ERNEST PHILIP ELWIN;ABEL ROSEN
发明人
分类号
H01B11/14
主分类号
H01B11/14
代理机构
代理人
主权项
地址
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