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发明名称
Protective sleeve for pump rods
摘要
申请公布号
US2470540(A)
申请公布日期
1949.05.17
申请号
US19430505483
申请日期
1943.10.08
申请人
MISSION MANUFACTURING COMPANY
发明人
YOUNG HENRY B.
分类号
F04B53/14
主分类号
F04B53/14
代理机构
代理人
主权项
地址
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