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经营范围
发明名称
Pumping system for evacuating containers of liquid
摘要
申请公布号
US2425957(A)
申请公布日期
1947.08.19
申请号
US19450574331
申请日期
1945.01.24
申请人
THE DEMING COMPANY
发明人
SAMELSON BERNARD
分类号
F04D9/00;F04D9/06
主分类号
F04D9/00
代理机构
代理人
主权项
地址
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