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发明名称
Fluid end pump head
摘要
申请公布号
US2650868(A)
申请公布日期
1953.09.01
申请号
US19510232339
申请日期
1951.06.19
申请人
WALDRON BENJAMIN F
发明人
WALDRON BENJAMIN F.
分类号
F04B53/16
主分类号
F04B53/16
代理机构
代理人
主权项
地址
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