State system for ensuring the uniformity of measurements. Alarm only apparatus for determination of combustible gases and vapors. Verification procedure
Mechanical vibration. Measurement and evaluation of machine vibration. Part 3. Industrial machinery with a power rating above 15 kW and operating speeds between 120 r/min and 30 000 r/min
Broaches with diameter from 70 to 90 mm for slitting holes with involute profile and centering at outside diameter with module from 3,5 to 5 mm. Double driven. Construction and dimensions
