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经营范围
发明名称
Improvements in or relating to hydraulic piston pumps
摘要
申请公布号
GB620430(A)
申请公布日期
1949.03.24
申请号
GB19460034852
申请日期
1946.11.25
申请人
HANS GRONAU
发明人
分类号
F04B1/00;F04B3/00;F04B49/00;F04B53/12
主分类号
F04B1/00
代理机构
代理人
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