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发明名称
AUTOMATIC LENS FOCUSING SYSTEM
摘要
申请公布号
GB2070794(B)
申请公布日期
1984.01.11
申请号
GB19810006595
申请日期
1981.03.03
申请人
POLAROID CORP
发明人
分类号
G03B7/08;G02B7/08;G02B7/28;G02B7/40;G03B13/36;(IPC1-7):G02B7/11;G03B3/10
主分类号
G03B7/08
代理机构
代理人
主权项
地址
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