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发明名称
Improvements in and relating to the manufacture of photomechanical process printing blocks
摘要
申请公布号
GB506172(A)
申请公布日期
1939.05.23
申请号
GB19370032260
申请日期
1937.11.23
申请人
AUGUST PAUL JANKE;KAJA COLD BLUE ENAMEL PROCESS COMPANY LIMITED
发明人
分类号
G03F7/04
主分类号
G03F7/04
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