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发明名称
Method of applying protective coloring in the printing of documents representing value
摘要
申请公布号
US2048780(A)
申请公布日期
1936.07.28
申请号
US19340738137
申请日期
1934.08.02
申请人
WATERLOW & SONS LIMITED
发明人
CLIFFORD SYDNEY GEORGE
分类号
B41M3/14;B42D15/00
主分类号
B41M3/14
代理机构
代理人
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