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发明名称
DURCHSTOSSOFEN
摘要
申请公布号
DE2019490(B2)
申请公布日期
1971.12.02
申请号
DE19702019490
申请日期
1970.04.22
申请人
发明人
分类号
F27B9/14;F27B9/22;(IPC1-7):F27B9/22
主分类号
F27B9/14
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代理人
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