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发明名称
METHOD OF PRODUCING LANTHANUM HEXABORIDE HOTTCATHODE
摘要
申请公布号
JPS5451472(A)
申请公布日期
1979.04.23
申请号
JP19770116876
申请日期
1977.09.30
申请人
DENKI KAGAKU KOGYO KK
发明人
WADA TETSUYA;TERASAKI RIYUUICHI;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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