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经营范围
发明名称
Welding apparatus
摘要
申请公布号
US2016043(A)
申请公布日期
1935.10.01
申请号
US19310511466
申请日期
1931.01.27
申请人
THE DAVIS WELDING & MANUFACTURING COMPANY
发明人
LINCOLN JOHN G.
分类号
B23K37/02
主分类号
B23K37/02
代理机构
代理人
主权项
地址
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