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发明名称
Improvements relating to diffusion pumps
摘要
申请公布号
GB1064429(A)
申请公布日期
1967.04.05
申请号
GB19640025985
申请日期
1964.06.23
申请人
LEYBOLD HOLDING A.G.
发明人
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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