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发明名称
Getter for electron tubes
摘要
申请公布号
US2951170(A)
申请公布日期
1960.08.30
申请号
US19580778154
申请日期
1958.12.04
申请人
THE MACHLETT LABORATORIES, INCORPORATED
发明人
LEFERSON JOSEPH
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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