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发明名称
Getter structure for electron discharge tubes
摘要
申请公布号
US2433962(A)
申请公布日期
1948.01.06
申请号
US19440561349
申请日期
1944.11.01
申请人
UNITED ELECTRONICS COMPANY
发明人
STEIGER BENJAMIN F.
分类号
H01J7/18
主分类号
H01J7/18
代理机构
代理人
主权项
地址
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