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发明名称
IMAGE FOCUSING APPARATUS
摘要
申请公布号
GB2059105(B)
申请公布日期
1983.07.13
申请号
GB19800031383
申请日期
1980.09.29
申请人
BELL & HOWELL CO
发明人
分类号
G03B3/02;(IPC1-7):G02B7/04
主分类号
G03B3/02
代理机构
代理人
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地址
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