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经营范围
发明名称
SOUND REPRODUCTION SYSTEMS
摘要
申请公布号
GB1604766(A)
申请公布日期
1981.12.16
申请号
GB19780022690
申请日期
1978.05.25
申请人
ARD TECHNICAL ASSISTANCE & ENG SERVICES INTERNATIONAL AN
发明人
分类号
H04S3/02;(IPC1-7):H04S3/00
主分类号
H04S3/02
代理机构
代理人
主权项
地址
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