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发明名称
THE ELECTRO GAS WELDING TOTCH AND THICK STEEL PIPE WELDING METHOD BY ELECTRO GAS WELDING
摘要
申请公布号
KR20060071521(A)
申请公布日期
2006.06.27
申请号
KR20040110134
申请日期
2004.12.22
申请人
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
发明人
YOON, BYOUNG HYUN;CHANG, WOONG SEONG
分类号
B23K9/28
主分类号
B23K9/28
代理机构
代理人
主权项
地址
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