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经营范围
发明名称
Photographic apparatus and objective lens
摘要
申请公布号
US1910115(A)
申请公布日期
1933.05.23
申请号
US19290358643
申请日期
1929.04.27
申请人
ELLAN LUBOSHEZ BENJAMIN
发明人
LUBOSHEZ BENJAMIN ELLAN
分类号
主分类号
代理机构
代理人
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