DIN 6653-3:2011 Beverage dispensing systems - Accessories - Part 3: Performance requirements for manual glass scrubbing devices with physically separated pre-rinsing and post-rinsing
2023DIN 6653-3:2023-08 Beverage dispensing systems - Accessories - Part 3: Performance requirements for manual glass scrubbing devices with physically separated pre-rinsing and post-rinsing
2011DIN 6653-3:2011 Beverage dispensing systems - Accessories - Part 3: Performance requirements for manual glass scrubbing devices with physically separated pre-rinsing and post-rinsing