柳玉伟

发表论文 8 篇

代表论文

Special screwed joint connecting structure for titanium alloy oil well tube (2016)
Coating lubricating structure of oil well pipe thread and manufacturing method (2016)
Special air sealing threaded connector structure for casing pipe (2013)
用于外径508～622.3mm套管螺纹的接头结构 (2013)
Thread chaser for cutting double-line pipe threads (2012)
Operation tubing threaded connection structure (2010)