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发明名称
Talking motion picture apparatus
摘要
申请公布号
US1837889(A)
申请公布日期
1931.12.22
申请号
US19300496510
申请日期
1930.11.18
申请人
GENERAL TALKING PICTURES CORPORATION
发明人
SEAHOLM CHARLES HUGO
分类号
G03B31/02
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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