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发明名称
Improvements in or relating to vapour vacuum pumps
摘要
申请公布号
GB806788(A)
申请公布日期
1958.12.31
申请号
GB19550035306
申请日期
1955.12.08
申请人
EDWARDS HIGH VACUUM LIMITED
发明人
POWER BASIL DIXON
分类号
F04F9/00
主分类号
F04F9/00
代理机构
代理人
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