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发明名称
Cathode structure
摘要
申请公布号
US3025428(A)
申请公布日期
1962.03.13
申请号
US19590846715
申请日期
1959.10.15
申请人
KUTHE LABORATORIES, INCORPORATED
发明人
KREFFT HERMANN E.
分类号
H01J17/06
主分类号
H01J17/06
代理机构
代理人
主权项
地址
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