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Safety lock
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Improvements in delayed egress systems
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Electronic cylinder lock and computer security security system for gaming achines
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Improvements in electric strikes
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Electronic cylinder lock and computer security system for gaming
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An electronic cylinder lock
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Improvements to key management systems
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Improvements in electromechanical locks
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Electromagnetic lock
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Improvements in electromagnetic locks
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GB9123812D0
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Improvements in locks
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AU8770091A
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Improvements in locks
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