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经营范围
发明名称
Production of metal films
摘要
申请公布号
US1766417(A)
申请公布日期
1930.06.24
申请号
US19270159337
申请日期
1927.01.06
申请人
COPPER PLATE SHEET AND TUBE COMPANY
发明人
WATKINS WILLIAM E.
分类号
C21D9/56;C23C24/00
主分类号
C21D9/56
代理机构
代理人
主权项
地址
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