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经营范围
发明名称
car headrest for drowsiness driving prevention
摘要
申请公布号
KR100549834(B1)
申请公布日期
2006.02.06
申请号
KR20030073861
申请日期
2003.10.22
申请人
发明人
分类号
B60N2/48
主分类号
B60N2/48
代理机构
代理人
主权项
地址
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