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发明名称
Dispositif perfectionné d'entraînement en rotation d'une barre à torsader
摘要
申请公布号
FR1193193(A)
申请公布日期
1959.10.30
申请号
FRD1193193
申请日期
1958.03.12
申请人
UNION SIDERURGIQUE DU NORD DE LA FRANCE
发明人
分类号
B21D11/15
主分类号
B21D11/15
代理机构
代理人
主权项
地址
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