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经营范围
发明名称
ECHO DEVICE
摘要
申请公布号
KR0113721(Y1)
申请公布日期
1998.04.14
申请号
KR19930002753U
申请日期
1993.02.26
申请人
SAMSUNG ELECTRONICS CO.,LTD
发明人
LEE, JONG-KEUN
分类号
H04B1/64;(IPC1-7):H04B1/64
主分类号
H04B1/64
代理机构
代理人
主权项
地址
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