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发明名称
HEADPHONE REPRODUCER DEVICE
摘要
申请公布号
JPH0294899(A)
申请公布日期
1990.04.05
申请号
JP19880244396
申请日期
1988.09.30
申请人
HITACHI LTD
发明人
OKAZAKI KICHIZAEMON
分类号
H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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