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经营范围
发明名称
Automatic pulsed arc welding
摘要
申请公布号
FR1602633(A)
申请公布日期
1971.01.04
申请号
FRD1602633
申请日期
1967.04.27
申请人
发明人
分类号
B23K9/09
主分类号
B23K9/09
代理机构
代理人
主权项
地址
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