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发明名称
Pump liner tightening attachment
摘要
申请公布号
US2786425(A)
申请公布日期
1957.03.26
申请号
US19540411400
申请日期
1954.02.19
申请人
YARBROUGH CARL G
发明人
YARBROUGH CARL G.
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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