DISTURBANCES IN SUPPLY SYSTEMS CAUSED BY HOUSEHOLD APPLIANCES AND SIMILAR ELECTRICAL EQUIPMENT. PART 1: DEFINITIONS.

Die Norm herausgegeben am 18.9.1990

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 1: Polyolefin coatings (3-layer PE and 3-layer PP) (ISO 21809-1:2018)

Die Norm herausgegeben am 6.11.2019

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 2: Single layer fusion-bonded epoxy coatings (ISO 21809-2:2014)

Die Norm herausgegeben am 7.10.2015

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3: Field joint coatings (ISO 21809-3:2016)

Die Norm herausgegeben am 23.11.2016

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 3: Field joint coatings - Amendment 1: Introduction of mesh-backed coating systems (ISO 21809-3:2016/Amd 1:2020)

Änderung herausgegeben am 27.1.2021

Petroleum and natural gas industries - External coatings for buried or submerged pipelines used in pipeline transportation systems - Part 5: External concrete coatings (ISO 21809-5:2017)

Die Norm herausgegeben am 3.1.2018

LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. TERMINAL MARKING, DISTINCTIVE NUMBER LETTER FOR PARTICULAR CONTACTOR RELAYS.

Die Norm herausgegeben am 15.9.1982

LOW-VOLTAGE SWITCHGEAR AND CONTROLGEAR FOR INDUSTRIAL USE. TERMINAL MARKING AND DISTINCTIVE NUMBER FOR PARTICULAR CONTROL SWITCHES.

Die Norm herausgegeben am 15.10.1982

Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of high purity barium titanate powders (ISO 21813:2019) (Endorsed by Asociación Espanola de Normalización in December of 2022.)

Die Norm herausgegeben am 1.12.2022

Fine ceramics (advanced ceramics, advanced technical ceramics) - Methods for chemical analysis of aluminium nitride powders (ISO 21814:2019) (Endorsed by Asociación Espanola de Normalización in January of 2023.)

Die Norm herausgegeben am 1.1.2023