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经营范围
发明名称
Improvements in or relating to photographic developers
摘要
申请公布号
GB454794(A)
申请公布日期
1936.10.05
申请号
GB19350010651
申请日期
1935.04.05
申请人
ARTHUR CLIVE BANFIELD;BAIRD TELEVISION LIMITED
发明人
分类号
G03C5/30
主分类号
G03C5/30
代理机构
代理人
主权项
地址
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