Rocker ball seat type hydraulic power flushing and unloading device
HUANG ZHIKE, HUANG JIN, CHEN QIAN, ZENG HUAIHAI, NIE JUN, LI FULIU, LIANG WEI, HUANG DEXIAO, LIANG QIN, ZHANG HUAQING
Year of Publication 20.01.2016
Get full text
Year of Publication 20.01.2016
Patent