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经营范围
发明名称
摘要
申请公布号
JP2754535(B2)
申请公布日期
1998.05.20
申请号
JP19870096520
申请日期
1987.04.20
申请人
MATSUSHITA DENKI SANGYO KK
发明人
OKUZAWA KAZURO
分类号
H04R7/20;(IPC1-7):H04R7/20
主分类号
H04R7/20
代理机构
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