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发明名称
Paper insulation for electric cables and the like
摘要
申请公布号
US1771946(A)
申请公布日期
1930.07.29
申请号
US19260105538
申请日期
1926.04.29
申请人
GEORG ZAPF
发明人
ZAPF GEORG
分类号
H01B7/02
主分类号
H01B7/02
代理机构
代理人
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