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经营范围
发明名称
Assemblages magnétiques utilisés dans la construction d'une loupe binoculaire
摘要
申请公布号
FR1284152(A)
申请公布日期
1962.02.09
申请号
FR19610852749
申请日期
1961.02.15
申请人
SOCIETE DES JUMELLES DERAISME
发明人
分类号
G02B25/00
主分类号
G02B25/00
代理机构
代理人
主权项
地址
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