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发明名称
摘要
申请公布号
FR2434936(B1)
申请公布日期
1981.03.06
申请号
FR19780024802
申请日期
1978.08.28
申请人
ALEXEEV ALEXANDR
发明人
分类号
F04B1/20;(IPC1-7):F04B1/20
主分类号
F04B1/20
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