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发明名称
SPEAKER
摘要
申请公布号
JPH043694(A)
申请公布日期
1992.01.08
申请号
JP19900106165
申请日期
1990.04.20
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
TANAKA TSUNEO;KUROZUKA AKIRA;HANAKAWA EIICHI
分类号
H04R1/00;H04R1/02;H04R1/40;(IPC1-7):H04R1/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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