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经营范围
发明名称
Improvements in combined colour-picture and sound-record films
摘要
申请公布号
GB437235(A)
申请公布日期
1935.10.25
申请号
GB19350004354
申请日期
1935.02.11
申请人
"SOCITE LUMIERE"
发明人
分类号
G03C7/24
主分类号
G03C7/24
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代理人
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