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发明名称
Method of making gravure printing plates
摘要
申请公布号
US2480400(A)
申请公布日期
1949.08.30
申请号
US19440570644
申请日期
1944.12.30
申请人
NEWS SYNDICATE CO., INC.
发明人
DULTGEN ARTHUR
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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