标准号:IS 12604-1989
发布日期:1989/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard specifies the dimensional requirements for mounting mechanical coupling devices ( hooks or forks ) on trucks.1.2 This standard applies to the vehicles that are to be coupled to trailers and the 'towed weight' of which is greater than 3.5 tonnes.