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发明名称
Variable displacement pump
摘要
申请公布号
US2327787(A)
申请公布日期
1943.08.24
申请号
US19420425595
申请日期
1942.01.05
申请人
JACK & HEINTZ, INC.
发明人
HEINTZ RALPH M.
分类号
F04B49/00
主分类号
F04B49/00
代理机构
代理人
主权项
地址
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