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发明名称
Pre-heating torch with multi-pipe type for welding work in a shipyard
摘要
申请公布号
KR100760363(B1)
申请公布日期
2007.09.20
申请号
KR20060109008
申请日期
2006.11.06
申请人
发明人
分类号
B23K5/24;B23K5/22
主分类号
B23K5/24
代理机构
代理人
主权项
地址
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