DVS 2216-3-1991 Ultrasonic joining and processing of molded parts and semi-finished products made of thermoplastics for series production; ultrasonic forming; riveting hookers and curses
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 2216-3-1991 history
1992DVS 2216-3-1992 "Ultrasonic joining of moulded parts and semi-finished parts of thermoplastic polymers in mass production, forming with ultrasound, staking, swaging and tamping"
1991DVS 2216-3-1991 Ultrasonic joining and processing of molded parts and semi-finished products made of thermoplastics for series production; ultrasonic forming; riveting hookers and curses