Universal Decimal Classification University of the District of Columbia Universal Digital Carrier Universal Digital Channel User Defined Command User Defined Commands unit descriptor code United Daughters of the Confederacy Universal Data Classification Universal Device Connector Universal Digital Controller Urban District Council usual diseases of childhood DonbassAero Uganda Development Corporation Ultrasonic Doppler Cardioscope Unclassified Document Control undifferentiated carcinoma Unified Development Code Unified Development Council Uniform Dwelling Code Unit Discipline Committee Universal Decimal Coding Universal Digit Channel Universal Digital Control Universal Display Corporation University Dance Club Upper Dead Center Upper Deck Cargo upper deep cervical lymph node
Universal Decimal Classification