20 Locks, other than electric, not of metal; Door, gate and window fittings, non-metallic; Plastic knobs; Handles made of plastics for doors; Doorknobs, not of metal; Window fasteners, not of metal; Cremone bolts, not of metal for windows; Window openers, not of metal, non-electric; Window closers, not of metal, non-electric; Mechanisms (Non-metallic, non-electric -) for locking windows; Mechanisms (Non-metallic, non-electric -) for opening doors; Window openers, not of metal, non-electric; Mechanisms (Non-metallic, non-electric -) for lifting windows; Furniture for doors; Door fittings made of plastics; Door fasteners, not of metal; Door bolts, not of metal; Door handles, not of metal; Door openers, not of metal, non-electric; Door closers, not of metal, non-electric; Mechanisms (Non-metallic, non-electric -) for locking doors; Mechanisms (Non-metallic, non-electric -) for opening doors; Control apparatus (Non-electric -), not of metal for closing doors