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发明名称
SCREW PUMPS
摘要
申请公布号
US3574488(A)
申请公布日期
1971.04.13
申请号
USD3574488
申请日期
1969.04.17
申请人
PLENTY & SON LTD.
发明人
STAMFORD ROBERT FRANCIS VANDERSTEGEN-DRAKE
分类号
F04C2/16;(IPC1-7):F04C1/10
主分类号
F04C2/16
代理机构
代理人
主权项
地址
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