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发明名称
Flux for galvanizing
摘要
申请公布号
US2123949(A)
申请公布日期
1938.07.19
申请号
US19370147473
申请日期
1937.06.10
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
KEPFER RAYMOND J.
分类号
C23C2/30
主分类号
C23C2/30
代理机构
代理人
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