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发明名称
Working procedure for producing tubes and the tubes so produced
摘要
申请公布号
IT1259108(B)
申请公布日期
1996.03.11
申请号
IT1992PD00097
申请日期
1992.06.02
申请人
发明人
分类号
B21C;(IPC1-7):B21C
主分类号
B21C
代理机构
代理人
主权项
地址
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