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经营范围
发明名称
Pumping apparatus
摘要
申请公布号
US2217796(A)
申请公布日期
1940.10.15
申请号
US19380183753
申请日期
1938.01.07
申请人
EUGENE DELL NORMAN
发明人
DELL NORMAN EUGENE
分类号
F04B1/04;F04B1/107;F04B23/02
主分类号
F04B1/04
代理机构
代理人
主权项
地址
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