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发明名称
DIRECTION CHANGING APPARATUS OF SPEAKER
摘要
申请公布号
KR940000421(Y1)
申请公布日期
1994.01.24
申请号
KR19890007936U
申请日期
1989.06.08
申请人
DAEWOO ELECTRONICS CO., LTD.
发明人
SHIM, YUN - SOP
分类号
H04R1/32;(IPC1-7):H04R1/32
主分类号
H04R1/32
代理机构
代理人
主权项
地址
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