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发明名称
PROCEDIMENTO PER LA PUNZONATURA MEDIANTE UN LAMINATOIO A RULLI DI TUBI METALLICI SENZA SALDATURA
摘要
申请公布号
IT1062259(B)
申请公布日期
1984.02.01
申请号
IT19760025387
申请日期
1976.07.16
申请人
NIPPON STEEL CORPORATION
发明人
分类号
B21B17/00;B21B17/02;B21B17/08;(IPC1-7):B21D/
主分类号
B21B17/00
代理机构
代理人
主权项
地址
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