Door fittings of metal; Metal door latches; Metal handles for doors; Metal hinges; Metal locksets

'door':1,6,11 'fit':2 'handl':9 'hing':13 'latch':7 'lockset':15 'metal':4,5,8,12,14

Door closers, electric; Hydraulic door closers; Motorized door locks; Pneumatic door closers

'closer':2,6,12 'door':1,5,8,11 'electr':3 'hydraul':4 'lock':9 'motor':7 'pneumat':10

Electronically-operated door latches; Programmable locking systems, consisting of electronic cylindrical locksets and keypads

'consist':9 'cylindr':12 'door':4 'electron':2,11 'electronically-oper':1 'keypad':15 'latch':5 'lock':7 'lockset':13 'oper':3 'programm':6 'system':8

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