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经营范围
发明名称
Hydrodynamic machine
摘要
申请公布号
US2406138(A)
申请公布日期
1946.08.20
申请号
US19420426702
申请日期
1942.01.14
申请人
THE OILGEAR COMPANY
发明人
FERRIS WALTER;GRAD ADOLF R.
分类号
F01B1/06;F01B13/06;F03C1/38;F04B23/10;F04B49/00;F04B49/08
主分类号
F01B1/06
代理机构
代理人
主权项
地址
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