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发明名称
Improvements relating to combined sound and picture record films
摘要
申请公布号
GB344026(A)
申请公布日期
1931.03.02
申请号
GB19290036496
申请日期
1929.11.28
申请人
TECHNICOLOR MOTION PICTURE CORPORATION
发明人
分类号
G03C5/14
主分类号
G03C5/14
代理机构
代理人
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地址
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