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发明名称
BUTT WELDING DEVICE FOR JOINING TWO FIN MATERIAL TOGETHER FOR HEAT EXCHANGER
摘要
申请公布号
KR101170169(B1)
申请公布日期
2012.07.31
申请号
KR20050032543
申请日期
2005.04.20
申请人
发明人
分类号
B23P15/26
主分类号
B23P15/26
代理机构
代理人
主权项
地址
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