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经营范围
发明名称
An improved electric condenser
摘要
申请公布号
GB779794(A)
申请公布日期
1957.07.24
申请号
GB19550003457
申请日期
1955.02.04
申请人
WILHELM MUELLER
发明人
分类号
H01G4/30
主分类号
H01G4/30
代理机构
代理人
主权项
地址
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