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IOCC abbr.
abbr.	International Options Clearing Corporation; Interstate Oil Contract Commission
abbr., el.	International Optical Computing Conference
abbr., file.ext.	Input/Output Channel Converter; Input/Output Controller Chip
abbr., IT	input/output control center; input/output control command
abbr., O&G	international operations coordination center (Bauirjan)
abbr., O&G, casp.	integrated operations control center (Yeldar Azanbayev)
abbr., oil	Interstate Oil Compact Commission; input-output control center
abbr., rel., christ.	International Orthodox Christian Charities (православная организация в США browser)
mil.	infantry officer career course