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经营范围
发明名称
Improvements in or relating to electric condensers
摘要
申请公布号
GB345689(A)
申请公布日期
1931.04.02
申请号
GB19300000217
申请日期
1930.01.02
申请人
DRURY NORMAN DAVIES;BAKELITE LIMITED
发明人
分类号
H01G4/22
主分类号
H01G4/22
代理机构
代理人
主权项
地址
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