Anti-technical opening refers to the non-violent opening of anti-theft lock or anti-theft door, the door lock or anti-theft door will be opened on the premise of not damaging the external door lock and lock core, it is an indicator of whether the anti-theft level of anti-theft door and anti-theft lock.
Class A anti-theft door, anti-theft lock anti-technical opening not less than one minute.
Class B anti-theft door, anti-theft lock anti-technical opening not less than five minutes.
Class C anti-theft door, anti-theft lock anti-technical opening no less than 15 minutes.
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