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经营范围
发明名称
Improvements in or relating to photographic bleaches
摘要
申请公布号
GB506450(A)
申请公布日期
1939.05.30
申请号
GB19380008360
申请日期
1938.03.18
申请人
CINECOLOR, (INC.)
发明人
分类号
G03C5/44
主分类号
G03C5/44
代理机构
代理人
主权项
地址
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