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发明名称
Improvements to vacuum sublimation pumps
摘要
申请公布号
GB1103193(A)
申请公布日期
1968.02.14
申请号
GB19650033316
申请日期
1965.08.04
申请人
NATIONAL RESEARCH DEVELOPMENT CORPORATION
发明人
HILLIER MERVYN
分类号
H01J7/18
主分类号
H01J7/18
代理机构
代理人
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地址
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