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发明名称
SPEAKER
摘要
申请公布号
JPH02295399(A)
申请公布日期
1990.12.06
申请号
JP19890116956
申请日期
1989.05.10
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
YAMAGISHI KIYOSHI
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
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