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经营范围
发明名称
Procédé de protection des métaux contre la corrosion.
摘要
申请公布号
CH227798(A)
申请公布日期
1943.07.15
申请号
CHD227798
申请日期
1940.04.05
申请人
FRASCH,JEAN
发明人
FRASCH,JEAN
分类号
C23C22/73;C25D11/00
主分类号
C23C22/73
代理机构
代理人
主权项
地址
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