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发明名称
Improvements in telephone cables
摘要
申请公布号
GB393342(A)
申请公布日期
1933.06.08
申请号
GB19310035447
申请日期
1931.12.22
申请人
SIEMENS BROTHERS & CO., LIMITED;ABEL ROSEN
发明人
分类号
H01B11/02
主分类号
H01B11/02
代理机构
代理人
主权项
地址
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