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发明名称
Constant delivery vane pump
摘要
申请公布号
US2293369(A)
申请公布日期
1942.08.18
申请号
US19390310508
申请日期
1939.12.22
申请人
THE HYDRAULIC DEVELOPMENT CORP. INC.
发明人
TUCKER WARREN R.
分类号
F04C2/348
主分类号
F04C2/348
代理机构
代理人
主权项
地址
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