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发明名称
DOME TYPE SPEAKER
摘要
申请公布号
JPH02248196(A)
申请公布日期
1990.10.03
申请号
JP19890069610
申请日期
1989.03.22
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
HASEGAWA MITSUSUKE;NAKAYAMA KOICHI
分类号
H04R7/12
主分类号
H04R7/12
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代理人
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