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经营范围
发明名称
High aperture photographic objectives of a small angle of field
摘要
申请公布号
US3066575(A)
申请公布日期
1962.12.04
申请号
US19600055331
申请日期
1960.09.12
申请人
CANON CAMERA CO., INC.
发明人
MUKAI JIRO
分类号
G02B13/02
主分类号
G02B13/02
代理机构
代理人
主权项
地址
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