ELECTRICAL TRANSFORMERS; ELECTRIC POWER SUPPLIERS; VOLTAGE SUPPLY REGULATORS; CURRENT RECTIFIERS; POWER SWITCHING RELAYS; ELECTRICAL CONNECTORS; UNINTERRUPTED POWER SUPPLIES; TELEPHONES; TELEPHONE SWITCHING EQUIPMENT FOR DIRECT INWARD SYSTEM ACCESS, NAMELY, PRIVATE BRANCH EXCHANGES THAT REQUIRE ONLY ONE TRUNK AND THAT PROVIDE A VERBAL MENU AUTOMATIC PROCESSING OF CALLS; PAGERS; AND INVERTERS

'access':27 'automat':43 'branch':30 'call':46 'connector':15 'current':9 'direct':24 'electr':1,3,14 'equip':22 'exchang':31 'invert':49 'inward':25 'menu':42 'name':28 'one':35 'pager':47 'power':4,11,17 'privat':29 'process':44 'provid':39 'rectifi':10 'regul':8 'relay':13 'requir':33 'suppli':7,18 'supplier':5 'switch':12,21 'system':26 'telephon':19,20 'transform':2 'trunk':36 'uninterrupt':16 'verbal':41 'voltag':6

ATECH

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