Lock with key-controlled removable and installable plug and key
Lock with locking elements respectively fitted to inner and...
Lock with normally non-removable key and auxiliary key removal d
Lock with reference plate
Lock with removable core
Lock with removable cylinder
Lock with removable plug
Lock with security cylinder and extended key
Lock with torque-release means
Lock with two layers of lock mechanism
Lock, key blank, and key of a hierarchical lock system
Lock-and-alarm assembly
Lock-cylinder key
Lock-key system
Lock-key system
Lock-picking prevention apparatus
Lock-picking tool and method of use thereof
Lock/plate assembly, especially as a replacement in car doors
Lockable cap
Lockable case