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经营范围
发明名称
AUTOMATIC FOCUSING DEVICE
摘要
申请公布号
GB8821241(D0)
申请公布日期
1988.10.12
申请号
GB19880021241
申请日期
1988.09.09
申请人
CANON KK
发明人
分类号
G02B7/36;H04N5/232;(IPC1-7):G02B7/11
主分类号
G02B7/36
代理机构
代理人
主权项
地址
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