B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
B27G5/00—Machines or devices for working mitre joints with even abutting ends
B27G5/04—Machines or devices for working mitre joints with even abutting ends for planing, cutting, shearing, or milling mitre joints