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发明名称
Improvements in and relating to the production of printing formes for intaglio printing
摘要
申请公布号
GB308592(A)
申请公布日期
1930.07.18
申请号
GB19290008718
申请日期
1929.03.18
申请人
RINGIER & CO. VERLAGSANSTALT & VEREINIGTE BUCH- UND STEINDRUCKEREIEN
发明人
分类号
G03F5/24
主分类号
G03F5/24
代理机构
代理人
主权项
地址
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