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发明名称
Surface hardening of tubes
摘要
申请公布号
FR2013188(A1)
申请公布日期
1970.03.27
申请号
FR19690024330
申请日期
1969.07.17
申请人
VEREIN OSTERREICHISCHE
发明人
分类号
C21D1/52;C21D1/667;C21D9/08;(IPC1-7):21D9/00
主分类号
C21D1/52
代理机构
代理人
主权项
地址
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