DVS 2216-4-1991 Ultrasonic joining and processing of molded parts and semi-finished products made of thermoplastics in series production; ultrasonic embedding of metal parts and dissimilar plastics
DVS 2216-1-1991 Ultrasonic joining and processing of molded parts and semi-finished products made of thermoplastics for series production; machines and equipment; functional description and requirements
DVS 2216-4-1991 history
1992DVS 2216-4-1992 "Ultrasonic joining of moulded parts and semi-finished parts of thermoplastic polymers in mass production, insertion of metal parts and other materials with ultrasonics"
1991DVS 2216-4-1991 Ultrasonic joining and processing of molded parts and semi-finished products made of thermoplastics in series production; ultrasonic embedding of metal parts and dissimilar plastics