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发明名称
INSTALLATION D'AFFICHAGE D'INFORMATIONS A TRANSMETTRE OPTIQUEMENT
摘要
申请公布号
BE776112(A1)
申请公布日期
1972.04.04
申请号
BE19710776112
申请日期
1971.12.01
申请人
BRAUN A.G., RUSSELSCHEIMER STRASSE, 22, 6 FRANKFURT/MAIN, ALLEMAGNE,
发明人
分类号
G02B6/06;G04B19/34;G04G9/08;G09F9/305;G09F13/16;(IPC1-7):G09F/
主分类号
G02B6/06
代理机构
代理人
主权项
地址
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