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发明名称
ROTARY POSITIVE-DISPLACEMENT FLUID PUMPS
摘要
申请公布号
GB1480279(A)
申请公布日期
1977.07.20
申请号
GB19740050569
申请日期
1974.11.21
申请人
NIPPON PISTON RING CO LTD
发明人
分类号
F04C2/34;F01C1/344;F04C2/344;(IPC1-7):F04C3/00
主分类号
F04C2/34
代理机构
代理人
主权项
地址
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