20 Room dividers; cabinet stops, not of metal; doors for furniture; furniture casters, not of metal; runners, not of metal, for sliding doors; furniture frames; locking mechanisms not of metal; locking mechanisms, not of metal, for cabinet doors; non-metallic mechanisms, non-electric, namely, non-metal hinges for opening doors of cabinets and furniture in general; non-metallic mechanisms, non-electric, namely , non-metal hinges for opening and folding doors of cabinets and furniture in general; door openers, not of metal, non-electric, namely, non-metal hinges; closers for doors of cabinets and furniture in general, non-metallic, non-electric, namely, non-metal hinges; non-metallic, non-electric closing devices, namely, non-metal hinges for doors of cabinets and furniture in general; non-metallic, non-electric mechanisms, namely non-metal hinges for closing doors of cabinets and furniture in general; elements namely, non-metal hinges for closing doors of cabinets and furniture in general, not of metal; non-metallic sliding doors for furniture; non-metallic sliding guides for doors; guide rails for sliding doors, not of metal; wheels for runners for sliding doors, not of metal; door buffers, not of metal; tracks, not of metal, for sliding doors; non-metallic mechanisms, non-electric, namely, non-metal hinges for sliding doors; non-metallic mechanisms, non-electric, namely, non-metal hinges for closing doors; non-metallic mechanisms, non-electric, namely, non-metal hinges for opening doors