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发明名称
THERMOCATHODE
摘要
申请公布号
SU811362(A1)
申请公布日期
1981.03.07
申请号
SU19752197761
申请日期
1975.12.10
申请人
LEVIN LEONID G,SU;LEVIN GRIGORIJ YA,SU
发明人
LEVIN LEONID G,SU;LEVIN GRIGORIJ YA,SU
分类号
H01J29/48;H01J9/02;(IPC1-7):H01J29/48
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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