2PL two-phase locking protocol
A new phase locking method with zero crossing
absolute frequency locking
active-passive mode locking
actuator locking device
Anatomical type locking plate
Anterior locking cervical plate system
Anti-misoperation Locking System
auto-compress locking nail
Auto-control micro-motion locking nail
auto-control micro-movement locking nail
auto-coupled locking angle
automatic locking device