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发明名称
CONVENIENT EARPHONE
摘要
申请公布号
KR20010107044(A)
申请公布日期
2001.12.07
申请号
KR20000028210
申请日期
2000.05.22
申请人
CHA, JI SUNG
发明人
CHA, JI SUNG
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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