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经营范围
发明名称
SURROUND-SOUND SYSTEM
摘要
申请公布号
AU2776989(A)
申请公布日期
1989.07.06
申请号
AU19890027769
申请日期
1989.01.06
申请人
LUCASFILM LTD.
发明人
NAME NOT GIVEN
分类号
H04S5/02;H04S3/02;H04S5/00;H04S7/00;(IPC1-7):H04S3/00
主分类号
H04S5/02
代理机构
代理人
主权项
地址
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