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经营范围
发明名称
MICROFICHE IMAGE READER
摘要
申请公布号
GB1508938(A)
申请公布日期
1978.04.26
申请号
GB19760041258
申请日期
1976.10.05
申请人
BELL & HOWELL CO
发明人
分类号
G03B21/11;(IPC1-7):G03B21/11;G03B21/28
主分类号
G03B21/11
代理机构
代理人
主权项
地址
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