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经营范围
发明名称
Welding apparatus
摘要
申请公布号
US2641673(A)
申请公布日期
1953.06.09
申请号
US19510215235
申请日期
1951.03.13
申请人
ADVANCE TRANSFORMER CO.
发明人
DAHL ROBERT E.
分类号
B23K9/00
主分类号
B23K9/00
代理机构
代理人
主权项
地址
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