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发明名称
Perfectionnements aux procédés pour souder les métaux
摘要
申请公布号
FR718649(A)
申请公布日期
1932.01.27
申请号
FRD718649
申请日期
1931.06.15
申请人
THE MIDLAND STEEL PRODUCTS COMPANY
发明人
分类号
B23K9/025
主分类号
B23K9/025
代理机构
代理人
主权项
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