We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
ISO (International Organization for Standardization) is the world’s largest producer of optional international standards. International standards determine current specifications of products, services and certified methods, helping to streamline the industry. As they are created on the basis of international agreement, they assist in overcoming barriers in international trade.
Internal combustion engines — Piston rings — Part 4: Half keystone rings made of steel
(Moteurs a combustion interne — Segments de piston — Partie 4: Segments semi-trapézoidaux en acier)
Standard published on 18.2.2016
Selected format:
Internal combustion engines — Piston rings — Oil control rings
(Moteurs a combustion interne — Segments de piston — Segments racleurs régulateurs d´huile)
Standard published on 21.8.1986
Selected format:
Internal combustion engines — Piston rings — Part 1: Coil spring loaded oil control rings made of cast iron
(Moteurs a combustion interne — Segments de piston — Partie 1: Anneaux de contrôle de l´huile a ressort hélicoidal en fonte)
Standard published on 22.7.2024
Selected format:
Internal combustion engines — Piston rings — Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron
(Moteurs a combustion interne — Segments de piston — Partie 2: Segments racleurs régulateurs d´huile étroits, en fonte, mis en charge par ressort hélicoidal)
Standard published on 1.7.2024
Selected format:
Internal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steel
(Moteurs a combustion interne — Segments de piston — Partie 3: Segments racleurs régulateurs d´huile, en acier, mis en charge par ressort hélicoidal)
Standard published on 22.9.2019
Selected format:
Internal combustion engines — Piston rings — Expander/rail oil-control rings
(Moteurs a combustion interne — Segments de piston — Segments racleurs avec expanseur / rail)
Standard published on 25.2.2022
Selected format:
Chromium ores and concentrates — Methods of chemical analysis — General instructions
(Minerais et concentrés de chrome — Méthodes d´analyse chimique — Instructions générales)
Standard published on 1.4.1981
Selected format:
Animal and vegetable fats and oils — Determination of insoluble impurities content
(Corps gras d´origines animale et végétale — Détermination de la teneur en impuretés insolubles)
Standard published on 1.2.2017
Selected format:
Documentation — Bibliographic control characters
(Documentation — Caracteres de commande bibliographiques)
Standard published on 4.9.1986
Selected format:
Tissue-engineered medical products — Quantification of bovine type I collagen marker peptide with liquid chromatography — Tandem mass spectrometry
(Produits médicaux issus de l´ingénierie tissulaire — Quantification du marqueur peptidique du collagene de type I bovin par chromatographie en phase liquide — Spectrométrie de masse en tandem)
Standard published on 21.11.2025
Selected format:Latest update: 2026-03-02 (Number of items: 2 264 418)
© Copyright 2026 NORMSERVIS s.r.o.