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发明名称
Procédé et dispositif de découpage à la chaleur autogène de blocs creux, métalliques, notamment à fortes parois et à section circulaire ou polygonale de préférence obtenus par des installations de coulée par extrusion
摘要
申请公布号
FR1253167(A)
申请公布日期
1961.02.03
申请号
FR19600823593
申请日期
1960.04.06
申请人
MANNESMANN AKTIENGESELLSCHAFT
发明人
分类号
B23K7/00
主分类号
B23K7/00
代理机构
代理人
主权项
地址
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