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经营范围
发明名称
A process of hardening gelatin and photgraphic gelatin emulsions
摘要
申请公布号
GB639097(A)
申请公布日期
1950.06.21
申请号
GB19480008363
申请日期
1948.03.20
申请人
GENERAL ANILINE & FILM CORPORATION
发明人
分类号
G03C1/30
主分类号
G03C1/30
代理机构
代理人
主权项
地址
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