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发明名称
Improvements in or relating to lighting and transparency holder units for reproduction cameras
摘要
申请公布号
GB660600(A)
申请公布日期
1951.11.07
申请号
GB19480028596
申请日期
1948.11.03
申请人
HUNTER-PENROSE LIMITED
发明人
MESSENGER GEORGE EDWARD;LAWS HAROLD EDWIN
分类号
G03B27/54
主分类号
G03B27/54
代理机构
代理人
主权项
地址
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