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经营范围
发明名称
Improvements in telephone cables with star quads
摘要
申请公布号
GB342606(A)
申请公布日期
1931.02.05
申请号
GB19300011605
申请日期
1930.04.11
申请人
COMPAGNIE GENERALE D'ELECTRICITE
发明人
分类号
H01B11/00
主分类号
H01B11/00
代理机构
代理人
主权项
地址
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