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发明名称
Thermographic method of producing relief and intaglio impressions
摘要
申请公布号
US2709654(A)
申请公布日期
1955.05.31
申请号
US19500187384
申请日期
1950.09.29
申请人
GUTH ADALBERT B
发明人
GUTH ADALBERT B.
分类号
G03F7/40
主分类号
G03F7/40
代理机构
代理人
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