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发明名称
Electron tube apparatus
摘要
申请公布号
US3348088(A)
申请公布日期
1967.10.17
申请号
US19640394906
申请日期
1964.09.08
申请人
VARIAN ASSOCIATES
发明人
JR. STANLEY E. ALLEN,
分类号
H01J23/027
主分类号
H01J23/027
代理机构
代理人
主权项
地址
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