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发明名称
Improvements in or relating to photomechanical reproduction
摘要
申请公布号
GB734066(A)
申请公布日期
1955.07.20
申请号
GB19530017570
申请日期
1953.06.24
申请人
MCCORQUODALE & COMPANY LIMITED
发明人
GRESHAM DONALD CHARLES
分类号
G03F5/22
主分类号
G03F5/22
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