DESCRIPTION:Rotary Piston Vacuum Pump can not only be operated independently, but also be a backing pump when combined with Roots Vacuum Pump, Oil Boater Pump, Oil Diffusion Pump, ...
DESCRIPTION:Rotary Piston Vacuum Pump can not only be operated independently, but also be a backing pump when combined with Roots Vacuum Pump, Oil Boater Pump, Oil Diffusio...