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发明名称
摘要
申请公布号
DE2004272(A1)
申请公布日期
1970.10.08
申请号
DE19702004272
申请日期
1970.01.30
申请人
发明人
分类号
C22C38/02;C23C10/08;(IPC1-7):C22C39/00
主分类号
C22C38/02
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