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发明名称
Multiple plunger lift
摘要
申请公布号
US1886253(A)
申请公布日期
1932.11.01
申请号
US19300430585
申请日期
1930.02.24
申请人
STANDARD LIFT COMPANY
发明人
STUKENBORG LOUIS C.
分类号
B66F7/20
主分类号
B66F7/20
代理机构
代理人
主权项
地址
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