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经营范围
发明名称
Electric arc stud welding
摘要
申请公布号
GB2118878(A)
申请公布日期
1983.11.09
申请号
GB19830005022
申请日期
1983.02.23
申请人
* OBO BETTERMANN OHG
发明人
ERNST-GUNTHER * JORDAN
分类号
B23K9/20;(IPC1-7):B23K9/20
主分类号
B23K9/20
代理机构
代理人
主权项
地址
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