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经营范围
发明名称
A HEADPHONE
摘要
申请公布号
KR850001782(Y1)
申请公布日期
1985.08.19
申请号
KR19830008162U
申请日期
1983.09.19
申请人
KI CHANG-DO
发明人
KI CHANG-DO
分类号
H04B1/16;(IPC1-7):H04B1/16
主分类号
H04B1/16
代理机构
代理人
主权项
地址
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