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发明名称
Pump pistons
摘要
申请公布号
US2808301(A)
申请公布日期
1957.10.01
申请号
US19530396584
申请日期
1953.12.07
申请人
BOWERMAN HULIE E
发明人
BOWERMAN HULIE E.
分类号
F04B53/14;F16J15/32
主分类号
F04B53/14
代理机构
代理人
主权项
地址
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