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经营范围
发明名称
APPARATUS FOR ENHANCING VISIBILITY
摘要
申请公布号
GB1501782(A)
申请公布日期
1978.02.22
申请号
GB19760006001
申请日期
1976.02.16
申请人
PERKIN-ELMER CORP
发明人
分类号
G02B23/22;(IPC1-7):G02B27/00
主分类号
G02B23/22
代理机构
代理人
主权项
地址
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