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发明名称
Galvanizing flux compositions and processes
摘要
申请公布号
US2481457(A)
申请公布日期
1949.09.06
申请号
US19450576162
申请日期
1945.02.03
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
VANA CHARLES A.
分类号
C23C2/30
主分类号
C23C2/30
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代理人
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