The European Committee for Standardization (CENFrenchComité Européen de Normalisation) is a public standards organization whose mission is to foster the economy

ASTM International is an international standards organization that develops and publishes voluntary consensus technical standards for a wide range of materials, products, systems, and 

The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.

Deutsches Institut für Normung e.V. (DIN; in English, the German Institute for Standardization) is the German national organization for 

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