GATE VALVE "3М-65х21"
GATE VALVE "3М-65х21"
Gate valve 3M-65X21is intended for capping transitory openings of orifice equipment of wells.
Gate valve 3M-65X21is intended for capping transitory openings of orifice equipment of wells.
URB 51 
Spatial Data Analysis inside the GIS setting 
Double horsehead pumping unit GB/T29021 
Modular Container Construction 
Pumping Unit Cementing Units 
API M Series