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发明名称
An improved control device for variable delivery pumps
摘要
申请公布号
GB526999(A)
申请公布日期
1940.09.30
申请号
GB19390011284
申请日期
1939.04.13
申请人
WALTER ERNST
发明人
分类号
F04B49/12
主分类号
F04B49/12
代理机构
代理人
主权项
地址
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