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发明名称
COAL SAMPLE GATHERING DEVICE
摘要
申请公布号
KR101088134(B1)
申请公布日期
2011.12.02
申请号
KR20090100820
申请日期
2009.10.22
申请人
发明人
分类号
G01N1/04;G01N33/22
主分类号
G01N1/04
代理机构
代理人
主权项
地址
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