electronically operated door latches; programable locking systems, consisting of electronic locksets and keypads and downloadable software for electronically operating door latches

'consist':8 'door':3,20 'download':15 'electron':1,10,18 'keypad':13 'latch':4,21 'lock':6 'lockset':11 'oper':2,19 'program':5 'softwar':16 'system':7

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

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