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发明名称
Electron emitters
摘要
申请公布号
GB9800703(D0)
申请公布日期
1998.03.11
申请号
GB19980000703
申请日期
1998.01.14
申请人
SMITHS INDUSTRIES PUBLIC LIMITED COMPANY;WANG, WANG N
发明人
分类号
H01J1/312;H01J17/06;H01J61/067
主分类号
H01J1/312
代理机构
代理人
主权项
地址
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