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经营范围
发明名称
PERFECCIONAMIENTOS ENNO REFERENTES A TUBOS.
摘要
申请公布号
ES450416(A3)
申请公布日期
1977.08.16
申请号
ES19160004504
申请日期
1976.08.03
申请人
DUROPENTA HOLDINGS (PROPRIETARY) LTD.
发明人
分类号
B29D;(IPC1-7):29D/
主分类号
B29D
代理机构
代理人
主权项
地址
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