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经营范围
发明名称
METAL LUBRICATION PROCESS
摘要
申请公布号
US3481762(A)
申请公布日期
1969.12.02
申请号
USD3481762
申请日期
1966.03.10
申请人
E.I. DU PONT DE NEMOURS & CO.
发明人
MICHAEL A. STREICHER
分类号
B22F3/20;C23C22/46;(IPC1-7):B44D1/02;B44D1/14
主分类号
B22F3/20
代理机构
代理人
主权项
地址
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