Mechanical security devices and systems, namely metal locks, keys, bolts and combinations thereof

'bolt':10 'combin':12 'devic':3 'key':9 'lock':8 'mechan':1 'metal':7 'name':6 'secur':2 'system':5 'thereof':13

electromechanical security devices and systems, namely electrical and electronic sensors and communication systems used in conjunction with locking devices to provide warnings of attempted breaches of security

'attempt':24 'breach':25 'communic':12 'conjunct':16 'devic':3,19 'electr':7 'electromechan':1 'electron':9 'lock':18 'name':6 'provid':21 'secur':2,27 'sensor':10 'system':5,13 'use':14 'warn':22

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