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经营范围
发明名称
Improvements in or relating to photographic enlargers
摘要
申请公布号
GB855318(A)
申请公布日期
1960.11.30
申请号
GB19580019764
申请日期
1958.06.20
申请人
DARGUE BROTHERS LIMITED;REGINALD EDMUND WALL
发明人
分类号
G03B27/52
主分类号
G03B27/52
代理机构
代理人
主权项
地址
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