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发明名称
SCREW PUMPS
摘要
申请公布号
GB1475321(A)
申请公布日期
1977.06.01
申请号
GB19740008932
申请日期
1975.02.26
申请人
SIGMUND PULSOMETER PUMPS LTD
发明人
分类号
F04D3/02;(IPC1-7):F04D3/02
主分类号
F04D3/02
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