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经营范围
发明名称
Apparatus for electric welding
摘要
申请公布号
US1938499(A)
申请公布日期
1933.12.05
申请号
US19310509578
申请日期
1931.01.19
申请人
EDWARD G. BUDD MANUFACTURING COMPANY
发明人
RAGSDALE EARL J. W.
分类号
B23K11/25
主分类号
B23K11/25
代理机构
代理人
主权项
地址
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