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发明名称
when electric welding the spatter affix prevention petal which occurs
摘要
申请公布号
KR20090000164(U)
申请公布日期
2009.01.08
申请号
KR20070010883U
申请日期
2007.07.03
申请人
发明人
分类号
B23K9/32;B23K9/00
主分类号
B23K9/32
代理机构
代理人
主权项
地址
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