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发明名称
Vapour vacuum pumps
摘要
申请公布号
US2934257(A)
申请公布日期
1960.04.26
申请号
US19570636015
申请日期
1957.01.24
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
主权项
地址
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