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经营范围
发明名称
AMPLIFIER AND LOUDSPEAKER UNIT
摘要
申请公布号
JPS56123200(A)
申请公布日期
1981.09.28
申请号
JP19800019806
申请日期
1980.02.21
申请人
POORU EDOUIN RICHIYAADO
发明人
POORU EDOUIN RICHIYAADO
分类号
H04R27/00;G11B33/02;G11B33/06;H04R1/00;H04R27/04
主分类号
H04R27/00
代理机构
代理人
主权项
地址
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