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发明名称
Dispositif de télévision
摘要
申请公布号
FR861892(A)
申请公布日期
1941.02.19
申请号
FRD861892
申请日期
1939.11.25
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY;COMPAGNIE DES LAMPES
发明人
分类号
H01J31/28
主分类号
H01J31/28
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