Drug adding system
SHI WENSONG, ZHOU RUI, WANG YANJIE, LI XIONG, GAO LIYING, WEN WEI, HU ZONGJUN, ZHANG JINXIA
Year of Publication 15.10.2019
Get full text
Year of Publication 15.10.2019
Patent
Multi -functional oil well liquid level automatic monitoring device
LI GUANGXIN, QIU LIANGLIANG, LI XIAOLIANG, YUE QIANG, CHEN YONGZHI, HU ZONGJUN
Year of Publication 21.12.2016
Get full text
Year of Publication 21.12.2016
Patent
Oil field is removed steam and is separated stifled device
CHANG WEI, LIU HAITAO, WANG AIFA, LIU JUNYING, CHENG MINGKUAN, CAI YUANKUI, LI LIXIANG, ZENG QINGWEI, MA QINGLIN, HU ZONGJUN, LIU HONGBING, LIU GUI
Year of Publication 12.10.2016
Get full text
Year of Publication 12.10.2016
Patent
Cleanable thermometer pocket device
LIU DONGSHENG, CHEN ZHIWEI, LIANG XUEZHU, WU QINGHONG, WANG LIXIN, HU ZONGJUN, WANG MENG
Year of Publication 15.01.2014
Get full text
Year of Publication 15.01.2014
Patent
Crossbeam pin of oil pumping machine
LIU ZHIGANG, AN GUOBAO, CHEN ZAIHE, MENG BINGCHUAN, WEI QINGSONG, LU HUIWEN, DOU QINGUANG, ZHAO ZHENGQUAN, WANG HONGMING, HU ZONGJUN
Year of Publication 07.05.2014
Get full text
Year of Publication 07.05.2014
Patent
Anti-detachment packing gland fastening wrench
SHANG PEI, LI SIQI, CHEN ZAIHE, MENG BINGCHUAN, LIU PING, FAN LILIN, SHI FUCHANG, CHENG XINGPING, SHANG ANG, YE JIARONG, HU ZONGJUN
Year of Publication 12.03.2014
Get full text
Year of Publication 12.03.2014
Patent