标准号:IS 1991 Pt.1-1987
发布日期:1989/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This part of the standard deals with the definitions of the terms for abrasive grinding wheels used in other relevant parts of the standard. This standard also covers the limitations for the use of different types of grinding wheels.