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经营范围
发明名称
TILTABLE LOUDSPEAKER
摘要
申请公布号
GB8427670(D0)
申请公布日期
1984.12.05
申请号
GB19840027670
申请日期
1984.11.01
申请人
GRANGE, K H
发明人
分类号
H04R1/02
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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