What is a super B-class anti-theft lock?
2024-08-22 10:02:26
Mechanical anti-theft lock technology reference table:
Indicator level | Number of work marbles | Anti-technology open time | Key amount | Marble setting form |
National Standard A | 1 | Not less than 1 minute | 3000 | Exposed to reach |
National Standard Class B | 2 | Not less than 5 minutes | 60000 | Exposed to reach |
Qian Jinchao B | 4, 5 | Not less than 270 minutes | 2 million | Invisible |
The above national standard is GA/T73-94 mechanical anti-theft lock (the amount of key refers to how many locks are open in each other)
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