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发明名称
Improvements in or relating to the photographic diffusion-transfer process
摘要
申请公布号
GB783793(A)
申请公布日期
1957.10.02
申请号
GB19550000054
申请日期
1955.01.03
申请人
GEVAERT PHOTO-PRODUCTEN N.V.
发明人
SEVENS GERARD MICHIEL
分类号
G03C8/24
主分类号
G03C8/24
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