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经营范围
发明名称
Apparatus for viewing transparencies, for example, photographic negatives and still colour photographs
摘要
申请公布号
GB777310(A)
申请公布日期
1957.06.19
申请号
GB19550027836
申请日期
1955.09.30
申请人
CYRIL FEATHERMAN;JAMES ALEXANDER STANLEY SMITH AIKMAN
发明人
分类号
G02B27/02
主分类号
G02B27/02
代理机构
代理人
主权项
地址
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