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发明名称
TORCH HEIGHT CONTROL METHOD FOR ARC WELDING
摘要
申请公布号
JPS6448674(A)
申请公布日期
1989.02.23
申请号
JP19870203023
申请日期
1987.08.17
申请人
NKK CORP
发明人
SUGITANI YUJI;KOBAYASHI MASAO;MURAYAMA MASATOMO
分类号
B23K9/127;B23K9/12
主分类号
B23K9/127
代理机构
代理人
主权项
地址
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