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发明名称
AUTOMATIC FOCUSING DEVICE
摘要
申请公布号
GB9207063(D0)
申请公布日期
1992.05.13
申请号
GB19920007063
申请日期
1992.03.31
申请人
CANON KK
发明人
分类号
G02B7/36
主分类号
G02B7/36
代理机构
代理人
主权项
地址
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