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发明名称
Method and means for the indirect preliminary heating of parts to be welded through aluminothermic casting
摘要
申请公布号
GB819077(A)
申请公布日期
1959.08.26
申请号
GB19560019283
申请日期
1956.06.21
申请人
ACIERIES DE GENNEVILLIERS S.A.
发明人
分类号
B23K23/00
主分类号
B23K23/00
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