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发明名称
Method for preparing bushings
摘要
申请公布号
US2961357(A)
申请公布日期
1960.11.22
申请号
US19580730508
申请日期
1958.03.20
申请人
E. I. DU PONT DE NEMOURS AND COMPANY
发明人
EARNHARDT REID;SWED JAMES P.
分类号
C21D7/04
主分类号
C21D7/04
代理机构
代理人
主权项
地址
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