This standard specifies diamond or CBN wheels (hereinafter referred to as wheels) used for general grinding of metals, alloys, ceramics, glass, plastics, rubber, composite materials, etc.
JIS B 4131:1998 history
1998JIS B 4131:1998 Diamond/CBN products -- Diamond or CBN grinding wheels
1993JIS B 4131:1993 Diamond or cubic boron nitride grinding wheels