CPC Subgroup
F16N 3/08 incorporating a piston-pump
Full Title
Devices for supplying lubricant by manual action (draining equipment for liquid containers B65D) > delivering oil > Oil cans; Oil syringes > incorporating a piston-pump
F16N 3/08 Devices for supplying lubricant by manual action (draining equipment for liquid containers B65D) > delivering oil > Oil cans; Oil syringes > incorporating a piston-pump