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发明名称
Cathode thermo-émissive pour dispositifs à décharge d'électrons
摘要
申请公布号
FR1286723(A)
申请公布日期
1962.03.09
申请号
FR19610850234
申请日期
1961.01.20
申请人
THE PLESSEY COMPANY LIMITED
发明人
分类号
H01J1/22
主分类号
H01J1/22
代理机构
代理人
主权项
地址
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