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发明名称
Procédé pour empêcher la diffusion de corps incolores, dans des pellicules d'émulsion d'argent halogéné
摘要
申请公布号
FR897519(A)
申请公布日期
1945.03.23
申请号
FRD897519
申请日期
1943.08.25
申请人
发明人
POKORNY KARL
分类号
G03C7/388
主分类号
G03C7/388
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代理人
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