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发明名称
PROCEDIMENTO E PRESSA PER REALIZZARE CORPI TUBOLARI SAGOMATI A FREDDO.
摘要
申请公布号
IT1226921(B)
申请公布日期
1991.02.22
申请号
IT19880021373
申请日期
1988.07.15
申请人
BERETTA RENATO
发明人
RENATO BERETTA
分类号
B21D26/02;B21D26/043;B21D26/045;(IPC1-7):B21J/
主分类号
B21D26/02
代理机构
代理人
主权项
地址
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