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发明名称
UN METODO PARA LA MANUFACTURA DE UN ARO O ANILLO DE TALON DE CUBIERTA
摘要
申请公布号
AR224391(A1)
申请公布日期
1981.11.30
申请号
AR19800280004
申请日期
1980.02.19
申请人
MICHELIN & CIE
发明人
分类号
B21F37/00;B21F37/04;B29D30/48;(IPC1-7):B29H17/32
主分类号
B21F37/00
代理机构
代理人
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