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发明名称
Pump speed controlling and unloading means
摘要
申请公布号
US2694519(A)
申请公布日期
1954.11.16
申请号
US19500147354
申请日期
1950.03.03
申请人
JOY MANUFACTURING COMPANY
发明人
PAGET WIN W.
分类号
F02B33/00
主分类号
F02B33/00
代理机构
代理人
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地址
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