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发明名称
Improvements in revolving cylinder pumps
摘要
申请公布号
GB419814(A)
申请公布日期
1934.11.20
申请号
GB19330010559
申请日期
1933.04.08
申请人
AMERICAN ENGINEERING COMPANY
发明人
分类号
F04B1/04;F04B1/107;F04B23/10
主分类号
F04B1/04
代理机构
代理人
主权项
地址
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