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经营范围
发明名称
Metal processing
摘要
申请公布号
US3072347(A)
申请公布日期
1963.01.08
申请号
US19610149506
申请日期
1961.11.02
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
DOMBROWSKI HENRY S.
分类号
B22F9/04
主分类号
B22F9/04
代理机构
代理人
主权项
地址
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