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发明名称
Method of preparing gravure printing surfaces
摘要
申请公布号
US2506427(A)
申请公布日期
1950.05.02
申请号
US19460710373
申请日期
1946.11.16
申请人
REYNOLDS METALS COMPANY
发明人
MACKAY ROBERT
分类号
G03F7/18
主分类号
G03F7/18
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代理人
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