ELECTRIC ACCESS CONTROL SYSTEM COMPRISEDOF ONE OR MORE ELECTROMAGNETS AND ELECT RONIC CONTROL CIRCUITRY FOR CONTROLLING THE OPENING AND CLOSING OF DOORS AND HATCHES.
ELECTRIC ACCESS CONTROL SYSTEM COMPRISEDOF ONE OR MORE ELECTROMAGNETS AND ELECT RONIC CONTROL CIRCUITRY FOR CONTROLLING THE OPENING AND CLOSING OF DOORS AND HATCHES.
ELECTRIC ACCESS CONTROL SYSTEM COMPRISEDOF ONE OR MORE ELECTROMAGNETS ...