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发明名称
Method of printing films with sound and picture records and apparatus therefor
摘要
申请公布号
GB319660(A)
申请公布日期
1930.12.04
申请号
GB19290026904
申请日期
1929.09.04
申请人
ELECTRICAL RESEARCH PRODUCTS, INC.
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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