IEC 62443-4-1:2018

 
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Recognizing National Certification Bodies

National Certification Body
City
Country/Location
Intertek Testing & Certification Ltd. Surrey

United Kingdom

Intertek Testing Services (Singapore) Pte Ltd Singapore

Singapore

Laboratoire National de Métrologie et d’Essais (LNE) Paris Cedex 15

France

TÜV SÜD Product Service GmbH München

Germany