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经营范围
发明名称
Aluminothermisch geschweisste Schienenstossverbindung
摘要
申请公布号
DE556273(C)
申请公布日期
1932.08.05
申请号
DENDATE040337D
申请日期
申请人
ELEKTRO-THERMIT G.M.B.H.
发明人
分类号
B23K23/00;E01B11/52
主分类号
B23K23/00
代理机构
代理人
主权项
地址
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