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经营范围
发明名称
Improvements in or relating to welding machines
摘要
申请公布号
GB609165(A)
申请公布日期
1948.09.27
申请号
GB19460007161
申请日期
1946.03.07
申请人
TED NELSON
发明人
分类号
B23K9/20
主分类号
B23K9/20
代理机构
代理人
主权项
地址
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