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发明名称
Tube électronique comportant au moins une partie de son enveloppe en céramique recouverte d'une couche semi-conductrice, et procédé de production de cette couche
摘要
申请公布号
FR1295254(A)
申请公布日期
1962.06.01
申请号
FR19610868249
申请日期
1961.07.18
申请人
EITEL-MCCULLOUGH, INC.
发明人
分类号
C04B41/51;C04B41/88;C23C14/04;H01B1/00;H01B3/00;H01J19/44;H01J25/12
主分类号
C04B41/51
代理机构
代理人
主权项
地址
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