Normativa ISO UNE gratis

Fecha de publicación: 15/12/2020 Standard Specification for Stationary Upright and Recumbent Exercise Bicycles and Upper and Total Body Ergometers ASTM F1250 – 20

Fecha de publicación: 15/12/2020 Standard Practice for the Rapid Assessment of Gamma-ray Emitting Radionuclides in Environmental Media by Gamma Spectrometry ASTM D7784 – 20

Fecha de publicación: 01/01/2021 Standard Test Method for D-C Resistance or Conductance of Moderately Conductive Materials ASTM D4496 – 21e1

Fecha de publicación: 01/01/2021 Standard Specification for Special Requirements for Valves Used in Gaseous Oxygen Service ASTM F1792 – 97(2021)

Fecha de publicación: 01/01/2021 Standard Specification for Hand-Operated, Globe-Style Valves for Gas (Except Oxygen Gas) and Hydraulic Systems ASTM F1794 – 97(2021)

Fecha de publicación: 01/01/2021 Standard Specification for Automatic Shut-Off Valves (Also Known as Excess Flow Valves, EFV) for Air or Nitrogen Service ASTM F1793 – 97(2021)

Fecha de publicación: 01/01/2021 Standard Test Method for Measuring Viscosity at High Shear Rate by Tapered Bearing Simulator Viscometer at 100 °C ASTM D6616 – 21

Fecha de publicación: 01/01/2021 Standard Test Method for Full Scale Bending Test of Spun Prestressed Concrete Bases for Tapered Steel Lighting Poles ASTM C1824 – 16(2021)

Fecha de publicación: 01/01/2021 Standard Practice for Installation of Underground Circular Precast Concrete Manhole Structures ASTM C1821/C1821M – 16(2021)e1

Fecha de publicación: 01/01/2021 Standard Specification for Poly(Vinyl Chloride) Sheet Roofing ASTM D4434/D4434M – 21