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经营范围
发明名称
Optical systems for cameras for photography or cinematography particularly in color
摘要
申请公布号
US1919020(A)
申请公布日期
1933.07.18
申请号
US19310540851
申请日期
1931.05.29
申请人
COLOURGRAVURE LIMITED
发明人
HILLMAN ALBERT GEORGE
分类号
G03B33/00
主分类号
G03B33/00
代理机构
代理人
主权项
地址
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