Normativa ISO UNE gratis

Fecha de publicación: 01/09/2021 Standard Practice for Transfer Standards for Reflectance Factor for Near-Infrared Instruments Using Hemispherical Geometry ASTM E1791 – 96(2021)

Fecha de publicación: 01/09/2021 Standard Specification for Valve Locking Devices ASTM F993 – 21

Fecha de publicación: 01/09/2021 Standard Test Method for Apparent Density of Free-Flowing Metal Powders Using the Hall Flowmeter Funnel ASTM B212 – 21

Fecha de publicación: 01/09/2021 Standard Test Method for Apparent Density of Metal Powders and Related Compounds Using the Arnold Meter ASTM B703 – 21

Fecha de publicación: 01/09/2021 Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light ASTM D2797/D2797M – 21a

Fecha de publicación: 01/09/2021 Standard Specification for Powder Forged (PF) Ferrous Materials ASTM B848/B848M – 21

Fecha de publicación: 01/09/2021 Standard Test Method for Direct Microscopy of Fungal Structures from Tape ASTM D7658 – 17(2021)

Fecha de publicación: 01/09/2021 Standard Practice for Collection of Fungal Material From Surfaces by Tape Lift ASTM D7910 – 14(2021)

Fecha de publicación: 01/09/2021 Standard Specification for Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application ASTM A297/A297M – 21a

Fecha de publicación: 01/09/2021 Standard Terminology Relating to Concrete Pipe and Related Products ASTM C822 – 21