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发明名称
摘要
申请公布号
SU427069(A1)
申请公布日期
1974.05.05
申请号
SU19721779268
申请日期
1972.04.30
申请人
发明人
分类号
C21D8/00;C21D1/78;C21D6/00;(IPC1-7):C21D1/78;C21D7/14;C22C41/00
主分类号
C21D8/00
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代理人
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地址
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