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发明名称
Procédé et appareil pour fabriquer par étirage des corps métalliques creux ou pleins
摘要
申请公布号
FR767945(A)
申请公布日期
1934.07.27
申请号
FRD767945
申请日期
1933.04.15
申请人
发明人
SINGER (FRITZ)
分类号
B21C19/00
主分类号
B21C19/00
代理机构
代理人
主权项
地址
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