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发明名称
Method of sealing together the glass members of electron tubes
摘要
申请公布号
US2818637(A)
申请公布日期
1958.01.07
申请号
US19540422724
申请日期
1954.04.13
申请人
ROBERTS THERON W
发明人
ROBERTS THERON W.
分类号
H01J9/26
主分类号
H01J9/26
代理机构
代理人
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