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发明名称
A RANGE DETERMINING DEVICE
摘要
申请公布号
GB1215677(A)
申请公布日期
1970.12.16
申请号
GB19690037270
申请日期
1969.07.24
申请人
BELL & HOWELL COMPANY
发明人
STANLEY RALPH FREELAND
分类号
G03B3/00
主分类号
G03B3/00
代理机构
代理人
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地址
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