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发明名称
ANTI-DUST DEVICE FOR RAILROAD
摘要
申请公布号
KR200172063(Y1)
申请公布日期
2000.03.15
申请号
KR19990014565U
申请日期
1999.07.21
申请人
CHOI, TAE-WOONG
发明人
CHOI, TAE-WOONG
分类号
E01B9/62;(IPC1-7):E01B9/62
主分类号
E01B9/62
代理机构
代理人
主权项
地址
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