... 1 3.0 Acceptable CNC Finishing Machining Center NB-800A 2 3.0 Acceptable Hydrostatic Machine No ... of Mud Pressure Gauges, Shock-Resistant Pressure Gauges, Torque Meters, Torque Measuring Systems, Recorders, Sandline Depth Meters, Drilling Instrument ... of Mud Pressure Gauges, Shock-Resistant Pressure Gauges, Torque Meters, Torque Measuring Systems, Recorders, Sandline Depth Meters, Drilling Instrument ...