1.所有锁舌都可以更换为防摩擦设计
2."A"表示防摩擦锁舌，可装配于各种功能锁体，如下:
A72-55A标准功能
A72-55L通道功能
A72-55C教室锁体
A72-55F储藏室锁体
1.All latches can be changed into anti-friction
2."A" means anti-friction latch,it can be assembled on a variety of functional lock bodies, as follows:
A72-55A Standard features
A72-55L Passage function
A72-55C Classroom lock
A72-55F Storeroom lock
