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经营范围
发明名称
Improved submarine cable insulating materials
摘要
申请公布号
GB391510(A)
申请公布日期
1933.05.04
申请号
GB19310030624
申请日期
1931.11.04
申请人
ELECTRICAL RESEARCH PRODUCTS INC.
发明人
分类号
H01B7/14
主分类号
H01B7/14
代理机构
代理人
主权项
地址
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