标准号:IS 551-1989
发布日期:1990/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard lays down the system for marking of bonded abrasive products in general (grinding wheels, segments, sticks, bones, rubs, etc) excluding diamond and cubic boron nitride abrasive products. This standard does not apply to specialities, such as sharpening stones.