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发明名称
Improvements in or relating to a photographic plate
摘要
申请公布号
GB1069283(A)
申请公布日期
1967.05.17
申请号
GB19640021363
申请日期
1964.05.22
申请人
HOWARD ARTHUR FROMSON
发明人
分类号
B41N3/03;C25D11/04
主分类号
B41N3/03
代理机构
代理人
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