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发明名称
UN PROCEDIMIENTO PARA LA PREPARACIËN DE PIEZAS DE HIERRO O ACERO PARA LA CONFORMACIËN EN FRIO
摘要
申请公布号
ES252532(A1)
申请公布日期
1960.04.01
申请号
ES19320002525
申请日期
1959.10.08
申请人
BUCHEL, KURT
发明人
分类号
B21J;(IPC1-7):B21J
主分类号
B21J
代理机构
代理人
主权项
地址
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