Normas ISO
Filtrar:
ISO
ISO 6926:2016/Amd 1:2020
En Vigor
2020-11-23
Acoustics — Requirements for the performance and calibration of
reference sound sources used for the determination of sound power levels
— Amendment 1
ISO
ISO 20816-2:2017/Amd 1:2024
En Vigor
2024-06-07
Mechanical vibration — Measurement and evaluation of machine vibration —
Part 2: Land-based gas turbines, steam turbines and generators in excess
of 40 MW, with fluid-film bearings and rated speeds of 1 500 r/min, 1
800 r/min, 3 000 r/min and 3 600 r/min — Amendment 1
ISO
ISO 7291:2010/Amd 1:2015
En Vigor
2015-04-15
Gas welding equipment — Pressure regulators for manifold systems used in
welding, cutting and allied processes up to 30 MPa (300 bar) — Amendment 1
ISO
ISO/TS 4869-5:2006
En Vigor
2006-10-12
Acoustics — Hearing protectors — Part 5: Method for estimation of noise
reduction using fitting by inexperienced test subjects
