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发明名称
Improvements in and relating to photographic material
摘要
申请公布号
GB609826(A)
申请公布日期
1948.10.07
申请号
GB19450031589
申请日期
1945.11.23
申请人
GEVAERT PHOTO-PRODUCTEN, N.V.
发明人
分类号
G03C1/38;G03C1/76
主分类号
G03C1/38
代理机构
代理人
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地址
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