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经营范围
发明名称
COMPOUND SPEAKER SYSTEM
摘要
申请公布号
EP0090430(B1)
申请公布日期
1989.09.20
申请号
EP19830103204
申请日期
1983.03.30
申请人
PIONEER ELECTRONIC CORPORATION
发明人
KAWACHI, MANABU
分类号
H04R1/26;H04R1/32
主分类号
H04R1/26
代理机构
代理人
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地址
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