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经营范围
发明名称
Galvanizing flux
摘要
申请公布号
US2829077(A)
申请公布日期
1958.04.01
申请号
US19560619125
申请日期
1956.10.30
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
SPEED DAVID B.
分类号
C23C2/30
主分类号
C23C2/30
代理机构
代理人
主权项
地址
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