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发明名称
processo para produzir conexÕes de pressço, e, dispositivo para produzir conexÕes de pressço feitas de aÇo especial.
摘要
申请公布号
BR0111978(B1)
申请公布日期
2008.11.18
申请号
BR20010011978
申请日期
2001.05.16
申请人
发明人
WALTER BAUER;JUERGEN NAEGELER;WALTER VIEGENER
分类号
B21C37/28;F16L17/02;B21D17/02;B21D17/04;B21D41/02;B21D51/16
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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