DIN EN ISO 9002:1994 Quality systems — Model for quality assurance in production, installation and servicing
DIN EN ISO 9003:1994 Quality systems – Model for quality assurance in final inspection and test
DIN EN ISO 9004 Quality management - Quality of an organization - Guidance to achieve sustained success (ISO 9004:2018); German and English version EN ISO 9004:2018*, 2018-08-01 Update
DVS 2217-1-1998 history
1999DVS 2217-1-1999 Vibration welding of mouldings and semi-finished products made ot thermoplastic polymers in series production
1992DVS 2217-1-1992 Vibration welding of thermoplastic molded parts and semi-finished products in series production