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发明名称
ALUMINOTHERMIC WELDING OF RAILS
摘要
申请公布号
AU519497(B2)
申请公布日期
1981.12.03
申请号
AU19790047856
申请日期
1979.06.07
申请人
ELEKTRO-THERMIT G.M.B.H.
发明人
W. MORING
分类号
B22D19/04;B23K23/00;E01B11/52;(IPC1-7):B23K23/00
主分类号
B22D19/04
代理机构
代理人
主权项
地址
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