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发明名称
摘要
申请公布号
GB338169(A)
申请公布日期
1930.11.14
申请号
GB19290024853
申请日期
1929.08.14
申请人
ELECTRICAL RESEARCH PRODUCTS, INC.
发明人
分类号
H01B11/14
主分类号
H01B11/14
代理机构
代理人
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