Architectural hardware made of common metals and alloys thereof all being parts or fittings for doors; metal door units; non-electric door springs; door friction stays of metal; door hardware (metal); door holders of metal; door holding devices of metal; metal hardware for buildings; door openers, non-electric; door closers, non-electric; door springs, non-electric; springs [metal hardware].
Metal GoodsElectric door openers; hydraulic door closers; hydraulic door openers; electronic door openers; electric door opening and closing apparatus; door openers and closers (hydraulic-) [parts of machines]; door openers and closers (hydraulic -) [parts of machines]; hydraulic door openers and closers [parts of machines]; door openers, electric; door closers, electric.
Machinery