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发明名称
Pumping apparatus
摘要
申请公布号
US2204854(A)
申请公布日期
1940.06.18
申请号
US19380219799
申请日期
1938.07.18
申请人
BYRON JACKSON CO.
发明人
HAMBLY ALLEN E.
分类号
F04B9/115;F04B9/117;F04B11/00
主分类号
F04B9/115
代理机构
代理人
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