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发明名称
Improvements in photographic printing processes
摘要
申请公布号
GB622919(A)
申请公布日期
1949.05.10
申请号
GB19450021763
申请日期
1945.08.24
申请人
LA RELIEPHOGRAPHIE
发明人
分类号
G03B35/24
主分类号
G03B35/24
代理机构
代理人
主权项
地址
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