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发明名称
ELECTRONIC WHISTLE
摘要
申请公布号
KR970002337(Y1)
申请公布日期
1997.03.21
申请号
KR19930016934U
申请日期
1993.08.30
申请人
CHOE, KWANG-HYUN
发明人
CHOE, KWANG-HYUN
分类号
G10K5/00;(IPC1-7):G10K5/00
主分类号
G10K5/00
代理机构
代理人
主权项
地址
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