unified coarse thread series
american national coarse thread series
sharp V-thread (full V-thread)
V-thread (triangular thread)
3-phase unified power quality conditioner(UPQC)
3-phase unified power quality controller (UPQC)
a class of unified chaotic system
A NOVEL UNIFIED POWER QUALITY CONTROLLER
a unified plan for rural and urban development
a unified technology combining heat treatment and plastic forming
BASIC CONTROL OF UNIFIED POWER FLOW CONTROLLER