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发明名称
摘要
申请公布号
DD100998(A1)
申请公布日期
1973.10.12
申请号
DD19720167627
申请日期
1972.12.18
申请人
发明人
分类号
F04C27/00;(IPC1-7):F04C27/00
主分类号
F04C27/00
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