IRRS

AcronymDefinition
IRRSIntegrated Regulatory Review Service (International Atomic Energy Agency)
IRRSIrish Railway Record Society (est. 1946)
IRRSItalian Radio Relay Service
IRRSInternational Regulations Retrieval System (USDA)
IRRSInstitute of Radiation and Remote Sensing (University of California, Los Angeles)
IRRSIndividual Ready Reserve System
IRRSInternational Rail Road System (British Columbia, Canada)