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发明名称
Improvements in and relating to cinematograph apparatus more particularly for the production and reproduction of talking motion pictures
摘要
申请公布号
GB447659(A)
申请公布日期
1936.05.22
申请号
GB19350030851
申请日期
1935.05.09
申请人
JAMES BERNARD MCCARTHY CLIFTON;FREDERICK JOHN PETTIFER
发明人
分类号
G03B31/00
主分类号
G03B31/00
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代理人
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