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发明名称
Photogravure printing plate and method of making same
摘要
申请公布号
US2367420(A)
申请公布日期
1945.01.16
申请号
US19420447888
申请日期
1942.06.22
申请人
LITHOMAT CORPORATION
发明人
MULLEN WILLIAM G.
分类号
G03F7/04
主分类号
G03F7/04
代理机构
代理人
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