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经营范围
发明名称
PHOTOGRAPHIC OBJECTIVE
摘要
申请公布号
CA401999(A)
申请公布日期
1942.01.06
申请号
CAD401999
申请日期
申请人
CANADIAN KODAK COMPANY
发明人
GEORGE H. AKLIN
分类号
主分类号
代理机构
代理人
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地址
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