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发明名称
Improvements in or relating to photogravure printing plates and method of making thesame
摘要
申请公布号
GB606206(A)
申请公布日期
1948.08.10
申请号
GB19450034387
申请日期
1945.12.19
申请人
NEWS SYNDICATE CO., INC.
发明人
分类号
G03F5/20
主分类号
G03F5/20
代理机构
代理人
主权项
地址
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