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经营范围
发明名称
Method of welding workpieces, more particularly rails by the intermediate aluminothermic casting process
摘要
申请公布号
GB863375(A)
申请公布日期
1961.03.22
申请号
GB19570035290
申请日期
1957.11.12
申请人
ELEKTRO-THERMIT G.M.B.H.
发明人
分类号
B23K23/00
主分类号
B23K23/00
代理机构
代理人
主权项
地址
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