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经营范围
发明名称
A GROOVED TUBE.
摘要
The present disclosure presents a seamless grooved tube. The inner surface of the tube is grooved into a pattern, the pattern including at least one rib (1). At least a part of the at least one rib is roughened.
申请公布号
MX2015007197(A)
申请公布日期
2016.08.18
申请号
MX20150007197
申请日期
2013.11.06
申请人
LUVATA ESPOO OY
发明人
Yanping LANG
分类号
F28F1/40
主分类号
F28F1/40
代理机构
代理人
主权项
地址
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