标准号:IS 4988 Pt.1-1969
发布日期:1970/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard (Part I) covers the definitions for the terms applicable in general to all types of earth-moving machinery. The terms applicable to a specific type of earth-moving machinery are not covered in this part, these being covered in Parts II to V.