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经营范围
发明名称
A Artificial Larynx
摘要
申请公布号
KR100528390(B1)
申请公布日期
2005.11.17
申请号
KR20030018859
申请日期
2003.03.26
申请人
发明人
分类号
H04R1/00;(IPC1-7):H04R1/00
主分类号
H04R1/00
代理机构
代理人
主权项
地址
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