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经营范围
发明名称
THE PROTECTION DEVICE FOR SPEAK AND POWER AMPLIFIER
摘要
申请公布号
KR900006373(Y1)
申请公布日期
1990.07.16
申请号
KR19860021940U
申请日期
1986.12.30
申请人
SAM SUNG ELECTRONICS CO., LTD.
发明人
LEE HEUNG-SONG;KIM HAK-DO
分类号
H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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