Standards UNE - Spanish national standards - Page 1307

Resistance welding - Locking tapers for electrode holders and electrode caps (ISO 20168:2016)

Standard published on 2.6.2021

Geometrical product specifications (GPS) - Decomposition of geometrical characteristics for manufacturing control (ISO 20170:2019) (Endorsed by Asociación Espanola de Normalización in May of 2020.)

Standard published on 1.5.2020

Welding - Grouping systems for materials - European materials (ISO/TR 20172:2021)

Standard published on 29.9.2021

Welding - Grouping systems for materials - American materials (ISO/TR 20173:2018)

Standard published on 23.9.2020

Welding - Grouping systems for materials - Japanese materials (ISO/TR 20174:2020) (Endorsed by Asociación Espanola de Normalización in August of 2020.)

Standard published on 1.8.2020

PAINTING SYSTEMS FOR POWER TRANSFORMERS. FULL FINISHING OF EPOXY-POLYUETAN PAINT

Standard published on 15.12.1985

BUSHINGS FOR DISTRIBUTION TRANSFORMERS

Standard published on 28.7.1989

Speech Processing, Transmission & Quality Aspects (STQ); QoS parameter definitions and measurements; Part 1: Parameters for voice telephony service required under the ONP Voice Telephony Directive 98/10/EC.

Standard published on 30.4.2001

Refractory test-piece preparation - Gunning refractory panels by the pneumatic-nozzle mixing type guns (ISO 20182:2024, Corrected version 2025-04)

Standard published on 1.11.2024

Molecular in vitro diagnostic examinations - Specifications for pre-examination processes for frozen tissue - Part 1: Isolated RNA (ISO 20184-1:2018)

Standard published on 23.10.2019