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发明名称
CATHOD FOR ELECTRONIC TUBES
摘要
申请公布号
KR810001785(Y1)
申请公布日期
1981.10.27
申请号
KR19770005174U
申请日期
1977.08.29
申请人
SIN NIPPON ELECTRIC CO LTD
发明人
KAWANO SEIICHI
分类号
H01J1/13;(IPC1-7):H01J1/13
主分类号
H01J1/13
代理机构
代理人
主权项
地址
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