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发明名称
METHOD OF FABRICATING THERMALLY ELECTRON EMITTING CATHODE
摘要
申请公布号
JPS5267562(A)
申请公布日期
1977.06.04
申请号
JP19750143555
申请日期
1975.12.02
申请人
DENKI KAGAKU KOGYO KK
发明人
ISHII MASAJI;WATANABE SHIYUUZOU;HIRAOKA HIDEO
分类号
H01J9/04
主分类号
H01J9/04
代理机构
代理人
主权项
地址
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