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发明名称
IMPROVEMENTS IN THREMIDNIC CATHODES
摘要
申请公布号
MY5300061(A)
申请公布日期
1953.12.31
申请号
MY19530000061
申请日期
1953.12.30
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
HP ROOKSBY;S H NOBLE;W G S ARANSON;J S HERRIOTT
分类号
H01J1/14;H01J1/28;(IPC1-7):H01J1/14
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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