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经营范围
发明名称
SOUNDPROOFING HELMET
摘要
申请公布号
KR200203760(Y1)
申请公布日期
2000.11.15
申请号
KR20000014678U
申请日期
2000.05.24
申请人
CHO, CHUL-HO
发明人
CHO, CHUL-HO
分类号
A42B3/30;(IPC1-7):A42B3/30
主分类号
A42B3/30
代理机构
代理人
主权项
地址
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