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经营范围
发明名称
View finder control for photographic cameras
摘要
申请公布号
GB538080(A)
申请公布日期
1941.07.18
申请号
GB19400010698
申请日期
1940.06.21
申请人
TECHNICOLOR MOTION PICTURE CORPORATION
发明人
分类号
G03B19/18
主分类号
G03B19/18
代理机构
代理人
主权项
地址
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