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Fingerprint recognition security system using ring type identification key
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Electronic locking device having power management function and control method therefor
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Door locking apparatus
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Door locking apparatus
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Finger print recognition with card reader and access control system using the same
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Locking system having wireless remote controller
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Security door locking device with hand held programmer
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Key locking apparatus
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Auto re-locking type mortise locking system
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Entrance control system and method
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