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经营范围
发明名称
Perfectionnements aux dispositifs périscopiques pour l'observation de l'intérieur des fours, en particulier avec l'aide d'une caméra de télévision
摘要
申请公布号
FR80978(E)
申请公布日期
1963.07.12
申请号
FR19620883961
申请日期
1962.01.05
申请人
COMPAGNIE DES COMPTEURS
发明人
分类号
G02B23/24
主分类号
G02B23/24
代理机构
代理人
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地址
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