Bauzi - Language code (ETLW)
Pacific Command Frequency Allocation and Uses (CINC)
Pan American Union - Central organ and permanent secretariat of the OAS
Pan American University (SAUS)
Parallel Arithmetic Unit (SAUS)
Pattern Articulation Unit - Computer science
Pauk - Myanmar - Airport symbol (OAG)
Paulingite - A zeolite
Pause - Telegraphy (PCTE)
Pauzhetka - Former USSR - Seismograph station code, US Geological Survey (SEIS)
Phenol-Acetic Acid-Urea - Medicine (DMAA)
Pilotless Aircraft Unit
Police Airborne Unit (SAUS)
Portable Annotation Unit - Military (CAAL)
Position Analog Unit - Manufacturing term
Power and Alarm Unit (SAUS)
Present Address Unknown
Probe Aerodynamic Upper - NASA (MCD)
Production Assurance Unit (MCD)
Programmes Analysis Unit - British (MCD)
Public Awareness Unit (SAUS)
University of Pennsylvania, Philadelphia, PA - OCLC symbol (OCLC)
Paulus de Liazaris - Deceased, 1356 - Authority cited in pre-1607 legal work (DSA)
Pennsylvania - MARC country of publication code - Library of Congress (LCCP)
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