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发明名称
Method of heat treating high speed steels
摘要
申请公布号
US3171759(A)
申请公布日期
1965.03.02
申请号
US19620225333
申请日期
1962.09.21
申请人
IPSEN INDUSTRIES, INC.
发明人
GLENN PERRY A.
分类号
C21D1/74
主分类号
C21D1/74
代理机构
代理人
主权项
地址
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