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经营范围
发明名称
Metal cleaning
摘要
申请公布号
US2448262(A)
申请公布日期
1948.08.31
申请号
US19430495351
申请日期
1943.07.19
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
GILBERT HARVEY N.
分类号
C25F1/12
主分类号
C25F1/12
代理机构
代理人
主权项
地址
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