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经营范围
发明名称
Electrolytic processes and baths
摘要
申请公布号
GB528240(A)
申请公布日期
1940.10.25
申请号
GB19390002237
申请日期
1939.01.23
申请人
JOHN SIMON NACHTMAN
发明人
分类号
C25D3/32
主分类号
C25D3/32
代理机构
代理人
主权项
地址
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