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经营范围
发明名称
Improvements relating to the obturation of multi-colour filters in taking pictures on lenticular films
摘要
申请公布号
GB406187(A)
申请公布日期
1934.02.22
申请号
GB19330019082
申请日期
1933.07.05
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
分类号
G03B33/10
主分类号
G03B33/10
代理机构
代理人
主权项
地址
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