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发明名称
FLUX FOR SUBMERGED ARC WELDING
摘要
申请公布号
KR1019960000412(B1)
申请公布日期
1996.01.06
申请号
KR1019930029953
申请日期
1993.12.27
申请人
发明人
分类号
主分类号
代理机构
代理人
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