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发明名称
摘要
申请公布号
DE2025359(A1)
申请公布日期
1971.02.11
申请号
DE19702025359
申请日期
1970.05.23
申请人
发明人
分类号
C21D8/00;C22C38/00;C22C38/38;(IPC1-7):C22C39/26
主分类号
C21D8/00
代理机构
代理人
主权项
地址
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