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发明名称
Pump valve construction
摘要
申请公布号
US2451925(A)
申请公布日期
1948.10.19
申请号
US19430480647
申请日期
1943.03.26
申请人
CURTIS PUMP COMPANY
发明人
CURTIS RUSSELL R.
分类号
F04C14/26
主分类号
F04C14/26
代理机构
代理人
主权项
地址
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