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摘要
申请公布号
DD105304(A5)
申请公布日期
1974.04.12
申请号
DD19730172828
申请日期
1973.08.10
申请人
发明人
分类号
F27B1/18;C21B7/18;F27B1/10;F27B1/20;F27D99/00;(IPC1-7):F27B1/20
主分类号
F27B1/18
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