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发明名称
Improvements relating to vacuum pumping systems
摘要
申请公布号
GB796928(A)
申请公布日期
1958.06.25
申请号
GB19550027516
申请日期
1955.09.27
申请人
ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
HAINE MICHAEL EDWARD;BLOOMER RONALD NOEL
分类号
H01J41/12
主分类号
H01J41/12
代理机构
代理人
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地址
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