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发明名称
Improvements in or relating to electro-mechanical means for producing printing plates
摘要
申请公布号
GB854862(A)
申请公布日期
1960.11.23
申请号
GB19570012294
申请日期
1957.04.15
申请人
RUDOLF HELL
发明人
分类号
B41C1/04;H04N1/393
主分类号
B41C1/04
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代理人
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