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发明名称
Improvements relating to photographic developing agents
摘要
申请公布号
GB479446(A)
申请公布日期
1938.02.07
申请号
GB19360021550
申请日期
1936.08.05
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03C5/30
主分类号
G03C5/30
代理机构
代理人
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地址
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