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经营范围
发明名称
Photographischer Entwickler
摘要
申请公布号
DE850384(C)
申请公布日期
1952.09.25
申请号
DE1950M004457
申请日期
1950.06.21
申请人
MAY & BAKER 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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