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发明名称
ELECTRON TUBE SEAL AND METHOD OF FABRICATING THE SAME
摘要
申请公布号
GB2071908(A)
申请公布日期
1981.09.23
申请号
GB19810003749
申请日期
1981.02.06
申请人
HITACHI LTD
发明人
分类号
H01J29/90;C03B23/217;H01J9/26;H01J23/12;(IPC1-7):H01J29/00;C03B23/00
主分类号
H01J29/90
代理机构
代理人
主权项
地址
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