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经营范围
发明名称
Process of cleaning
摘要
申请公布号
US2123434(A)
申请公布日期
1938.07.12
申请号
US19340757286
申请日期
1934.12.13
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
PAULSON PAUL M.;CHAMBERS IRA D.
分类号
C11D7/50;F28G9/00
主分类号
C11D7/50
代理机构
代理人
主权项
地址
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