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经营范围
发明名称
Способ устранения десенсибилизирующего действие солей железа в фотографических эмульсиях
摘要
申请公布号
SU92144(A1)
申请公布日期
1950.11.30
申请号
SU19490407895
申请日期
1949.11.26
申请人
KARPOVA A.L.;TITOV A.A.
发明人
KARPOVA A.L.;TITOV A.A.
分类号
G03C1/34
主分类号
G03C1/34
代理机构
代理人
主权项
地址
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