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锁芯级别怎么区分
更新时间: 2020-10-12 16:52:31  

锁芯级别分为A级、B级、C级。首先是钥匙不同,A级锁芯的钥匙大多是十字平板型或月牙型的,有一排凹形匙槽。B级锁芯的钥匙平板型或月牙型,有两排凹形匙槽。其次它的安全性能也不一样,A级锁芯的开锁时间不少于1分钟,B级锁芯的开锁技术不少于5分钟。

关键词: 芯级 怎么 区分

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