for grinding slideways (portable grinding machines designed for fastening on workpieces B24B23/08)

Full Title

Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor (B24B21/00 takes precedence; honing of plane surfaces on work B24B33/055) > Single-purpose machines or devices (grinding tools or machines specially designed for use on assembled railway track E01B31/17) > for grinding slideways (portable grinding machines designed for fastening on workpieces B24B23/08)