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经营范围
发明名称
PULSE ARC WELDING METHOD
摘要
申请公布号
JPS6440178(A)
申请公布日期
1989.02.10
申请号
JP19870196206
申请日期
1987.08.07
申请人
HITACHI SEIKO LTD
发明人
MITA TSUNEO
分类号
B23K9/16;B23K9/09;B23K9/173
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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