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经营范围
发明名称
Core covering apparatus
摘要
申请公布号
GB372821(A)
申请公布日期
1932.05.12
申请号
GB19310004481
申请日期
1931.02.12
申请人
ELECTRICAL RESEARCH PRODUCTS INC.
发明人
分类号
H01B13/08
主分类号
H01B13/08
代理机构
代理人
主权项
地址
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