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经营范围
发明名称
Expansion Tube having a Cooling Device
摘要
申请公布号
KR100550771(B1)
申请公布日期
2006.02.08
申请号
KR19990057646
申请日期
1999.12.14
申请人
发明人
分类号
C21B7/18
主分类号
C21B7/18
代理机构
代理人
主权项
地址
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