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经营范围
发明名称
Improvements in and relating to film cut-outs
摘要
申请公布号
GB478408(A)
申请公布日期
1938.01.18
申请号
GB19370012589
申请日期
1937.05.03
申请人
THE BRITISH THOMSON-HOUSTON COMPANY, LIMITED
发明人
分类号
G03B21/36
主分类号
G03B21/36
代理机构
代理人
主权项
地址
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