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发明名称
摘要
申请公布号
CS159615(B1)
申请公布日期
1975.01.31
申请号
CS19730003009
申请日期
1973.04.26
申请人
发明人
分类号
C21C5/04;F27B3/18;(IPC1-7):F27B3/18
主分类号
C21C5/04
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