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发明名称
Electrical getter-ion vacuum pump or gauge apparatus
摘要
申请公布号
GB956141(A)
申请公布日期
1964.04.22
申请号
GB19600019275
申请日期
1960.05.31
申请人
VARIAN ASSOCIATES
发明人
分类号
H01J41/12;H02H7/125;H02H9/02
主分类号
H01J41/12
代理机构
代理人
主权项
地址
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