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发明名称
Electroplated corrosion proof metal articles and method of making the same
摘要
申请公布号
US2419231(A)
申请公布日期
1947.04.22
申请号
US19400371100
申请日期
1940.12.21
申请人
STANDARD STEEL SPRING COMPANY
发明人
SCHANTZ DONALD H.
分类号
C25D3/56
主分类号
C25D3/56
代理机构
代理人
主权项
地址
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