ISO 9398-4:1993 Specifications for industrial laundry machines; definitions and testing of capacity and consumption characteristics; part 4: washers-extractors
2003ISO 9398-4:2003 Specifications for industrial laundry machines - Definitions and testing of capacity and consumption characteristics - Part 4: Washer-extractors
1993ISO 9398-4:1993 Specifications for industrial laundry machines; definitions and testing of capacity and consumption characteristics; part 4: washers-extractors