2PL two-phase locking protocol
A new phase locking method with zero crossing
active-passive mode locking
actuator locking device
Anatomical type locking plate
and Supplementing locking
Anterior locking cervical plate system
anti°misoperation locking
Anti-maloperation Locking
Anti-maloperation Locking System
Anti-misoperation Locking System
attachment locking device
auto-compress locking nail