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发明名称
MAGNETIC CIRCUIT FOR SPEAKER UNIT
摘要
申请公布号
JPH02131100(A)
申请公布日期
1990.05.18
申请号
JP19880284911
申请日期
1988.11.11
申请人
MITSUBISHI ELECTRIC CORP
发明人
SAITO HARUHISA
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
主权项
地址
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