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经营范围
发明名称
Improvements in photographic materials containing dyestuffs
摘要
申请公布号
GB624462(A)
申请公布日期
1949.06.09
申请号
GB19460034654
申请日期
1946.11.22
申请人
GEVAERT PHOTO-PRODUCTEN NAAMLOOZE VENNOOTSCHAP;ANDRE EMILE VAN DORMAEL;LAURENT ALOIS VAN DER AUWERA
发明人
分类号
G03C1/83
主分类号
G03C1/83
代理机构
代理人
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地址
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