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发明名称
Procédé pour la fabrication d'un fil profilé à section droite variable axialement, installation pour la mise en oeuvre de ce procédé et fil profilé obtenu selon ce procédé.
摘要
申请公布号
CH243396(A)
申请公布日期
1946.07.15
申请号
CHD243396
申请日期
1944.08.18
申请人
LEHMANN,CHARLES-AUGUSTE-ALBERT
发明人
LEHMANN,CHARLES-AUGUSTE-ALBERT
分类号
B21C9/00
主分类号
B21C9/00
代理机构
代理人
主权项
地址
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