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发明名称
Film sound recording system
摘要
申请公布号
US2346496(A)
申请公布日期
1944.04.11
申请号
US19410396651
申请日期
1941.06.05
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
LORANCE GEORGE T.
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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