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发明名称
RAIL SOUND ABSORBING APPARATUS
摘要
申请公布号
KR101020684(B1)
申请公布日期
2011.03.11
申请号
KR20090048697
申请日期
2009.06.02
申请人
发明人
分类号
E01B19/00;E01B5/02
主分类号
E01B19/00
代理机构
代理人
主权项
地址
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