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经营范围
发明名称
Vapor vacuum pump
摘要
申请公布号
US2696344(A)
申请公布日期
1954.12.07
申请号
US19510242812
申请日期
1951.08.21
申请人
W. EDWARDS & CO. (LONDON) LIMITED
发明人
POWER BASIL DIXON;LATHAM DOUGLAS
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
主权项
地址
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