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Author : Consiglio Superiore dei Lavori Pubblici ATTESTATO CENTRO DI TRASFORMAZIONE

Author : European Federation for Welding, Joining and Cutting CERTIFICAZIONE EWF MANUFACTURER CERTIFICATION SYSTEM

Author : European Federation for Welding, Joining and Cutting CERTIFICATO EWF N. 2/IT/515

Author : Accredia UNI EN ISO 9712:2012

Author : International Institute of Welding International Institute of Welding Manufacturers Certification Scheme

Author : IIS Cert EN 1090