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发明名称
Pump and motor hydraulic system and electrical control circuits therefor
摘要
申请公布号
US2611246(A)
申请公布日期
1952.09.23
申请号
US19500158814
申请日期
1950.04.28
申请人
THE ELWELL-PARKER ELECTRIC COMPANY
发明人
ACKERMANN JOSEPH A.
分类号
F15B21/08
主分类号
F15B21/08
代理机构
代理人
主权项
地址
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