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经营范围
发明名称
EARPHONE
摘要
申请公布号
JPH0888890(A)
申请公布日期
1996.04.02
申请号
JP19940222898
申请日期
1994.09.19
申请人
DAIKOKU DENKI CO LTD
发明人
KIMATA MUNEAKI
分类号
H04R1/10;(IPC1-7):H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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