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发明名称
METHOD OF PRODUCING A PROTECTIVE PHOSPHATIZING FILM ON METALLIC SUBSTRATES EXPOSED TO CORROSIVE EFFECTS
摘要
申请公布号
PL142640(B1)
申请公布日期
1987.11.30
申请号
PL19830242966
申请日期
1983.07.11
申请人
发明人
分类号
C23C;C23C18/32;C23C22/07;C23C22/12;C23C22/13;C23F;(IPC1-7):C23C22/12
主分类号
C23C
代理机构
代理人
主权项
地址
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