6
Doors of metal; Metal locks for doors; Door fittings of metal; Fire resistant doors of metal; Ironwork for doors; Aluminium doors; Insulating doors of metal; Doors of metal for buildings; Safety fittings of metal for doors; Door jambs of metal; Metal bolts for locking doors; Door hinges of metal; Door holding devices of metal; Door handles of metal; Door bolts of metal; Door panels of metal
19
Doors, not of metal; Fireproof doors, not of metal; Doors made of wood for buildings; Doors made of plastic for buildings; Doors made of glass for buildings; Transparent doors of glass for buildings; Door frames, not of metal; Door panels, not of metal
20
Mechanisms (Non-metallic, non-electric -) for locking doors; Catches (Door -), not of metal; Non-metal door viewers [non-magnified]; Mechanisms (Non-metallic, non-electric -) for opening doors; Door fittings, not of metal; Door handles, not of metal
42
Quality testing of products for certification purposes; Testing services for the certification of quality or standards; Testing, analysis and evaluation of the goods of others for the purpose of certification; Certification [quality control]