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发明名称
摘要
申请公布号
SU513165(A1)
申请公布日期
1976.05.05
申请号
SU19742026325
申请日期
1974.05.20
申请人
发明人
分类号
F04B15/02;(IPC1-7):F04B15/02
主分类号
F04B15/02
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代理人
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地址
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