EMERGENCY LOCK WITH DEAD-LOCKING LATCHBOLT
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72 mm centres
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Two 11 mm throws deadbolt
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Outside function: fixed knob, latchbolt and deadbolt are retracted by turning the key
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Inside function: key operates deadbolt.
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Emergency operation: lever handle operates deadbolt and latchbolt simultaneously (lever handle operates deadbolt both one throw and two throws)
