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发明名称
METODO PER GENERARE PROGRAMMI SONORI A BASSA FREQUENZA PER RAPPRESENTAZIONI CINEMATOGRAFICHE E REGISTRAZIONI SONORE OTTENUTE CON ESSO
摘要
申请公布号
IT1096439(B)
申请公布日期
1985.08.26
申请号
IT19780024145
申请日期
1978.06.02
申请人
WARNER BROS. INC.
发明人
分类号
H04R1/00;A63J5/04;G03B31/00;G10H1/06;(IPC1-7):G03B/
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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