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发明名称
Improvements in and relating to the production of light-sensitive diazo-type layers
摘要
申请公布号
GB454665(A)
申请公布日期
1936.10.06
申请号
GB19350012817
申请日期
1935.04.30
申请人
J. HALDEN & CO. LIMITED;JOHN HOLDEN
发明人
分类号
G03C1/54
主分类号
G03C1/54
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代理人
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