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发明名称
ТРУБА СТАЛЬНАЯ ПРОФИЛЬНАЯ
摘要
Труба стальная профильная, выполненная электросварной, холоднодеформированной общего назначения из углеродистой стали, отличающаяся тем, что содержит вертикальное ребро жесткости, разделяющее трубу по диаметру окружности по всей длине.
申请公布号
RU107566(U1)
申请公布日期
2011.08.20
申请号
RU20100142571U
申请日期
2010.10.18
申请人
发明人
分类号
F16L9/19
主分类号
F16L9/19
代理机构
代理人
主权项
地址
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