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发明名称
Pump having combination check valve and shutoff valve
摘要
申请公布号
US3371617(A)
申请公布日期
1968.03.05
申请号
US19650478374
申请日期
1965.08.09
申请人
S. H. LEGGITT COMPANY
发明人
KLOOTWYK NORMAN W.
分类号
F04B9/14;F04B53/10;F04B53/12
主分类号
F04B9/14
代理机构
代理人
主权项
地址
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