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发明名称
Electrical condenser
摘要
申请公布号
US1781033(A)
申请公布日期
1930.11.11
申请号
US19270189231
申请日期
1927.05.06
申请人
RUBEN PATENTS COMPANY
发明人
RUBEN SAMUEL
分类号
H01G4/20
主分类号
H01G4/20
代理机构
代理人
主权项
地址
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