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发明名称
Auxiliary optical device with variable magnifying power
摘要
申请公布号
US2566485(A)
申请公布日期
1951.09.04
申请号
US19500138764
申请日期
1950.01.16
申请人
SOCIETE D'OPTIQUE & DE MECANIQUE DE HAUTE PRECISION
发明人
CUVILLIER ROGER HENRI RAYMOND
分类号
G02B15/14
主分类号
G02B15/14
代理机构
代理人
主权项
地址
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