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发明名称
SLAG COLLECTING DEVICE FOR STEEL PIPE OUTSIDE WELDING LINE
摘要
申请公布号
JPH0542371(A)
申请公布日期
1993.02.23
申请号
JP19910199231
申请日期
1991.08.08
申请人
NIPPON STEEL CORP
发明人
KITAYUGUCHI MAKOTO;OOMURA YUKIHARU;OKU MASAAKI
分类号
B23K9/18
主分类号
B23K9/18
代理机构
代理人
主权项
地址
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