Air enclosed device of reciprocal member of nonlinear line formula
XIN SHENGYE, YU CHENGKUN, ZHUANG HUIFANG, LI FENG, YAN SHIFENG, SHI YUZHAO
Year of Publication 15.12.2017
Get full text
Year of Publication 15.12.2017
Patent
Air sealing device and method for non-linear reciprocating rod piece
XIN SHENGYE, YU CHENGKUN, ZHUANG HUIFANG, LI FENG, YAN SHIFENG, SHI YUZHAO
Year of Publication 21.07.2017
Get full text
Year of Publication 21.07.2017
Patent
Novel device that burns till of powdered lime
XIN SHENGYE, LI HUI, LIU XINDUAN, LI FENG, CHEN JUNJUN, SUN WENCHEN, SHI YUZHAO, LI GUOHUA
Year of Publication 09.10.2018
Get full text
Year of Publication 09.10.2018
Patent
Novel powdery lime burning method and device
XIN SHENGYE, LI HUI, LIU XINDUAN, LI FENG, CHEN JUNJUN, SUN WENCHEN, SHI YUZHAO, LI GUOHUA
Year of Publication 06.03.2018
Get full text
Year of Publication 06.03.2018
Patent
Dynamic oil well sand control screen tube and manufacturing method thereof
LIU LIANGYUE, DONG XINGLIANG, DENG JIANMING, FAN BAITAO, ZHANG XIAOCHENG, SUN WANSHAN, SHI YUZHAO
Year of Publication 22.09.2010
Get full text
Year of Publication 22.09.2010
Patent