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经营范围
发明名称
Improvements in or relating to loaded electric conductors for verbal communication cables
摘要
申请公布号
GB515116(A)
申请公布日期
1939.11.27
申请号
GB19380015484
申请日期
1938.05.24
申请人
SOLUTION TRUST LIMITED
发明人
分类号
H01B7/16;H01B11/14;H01B13/28
主分类号
H01B7/16
代理机构
代理人
主权项
地址
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