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经营范围
发明名称
Arc welding
摘要
申请公布号
US1947077(A)
申请公布日期
1934.02.13
申请号
US19300448756
申请日期
1930.04.30
申请人
THE LINCOLN ELECTRIC COMPANY
发明人
CHAPMAN EVERETT
分类号
B23K9/073;B23K9/10
主分类号
B23K9/073
代理机构
代理人
主权项
地址
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