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What does OIN stand for?

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Rank Abbr.Meaning
OINOffice for Immigration and Nationality (Hungary)
OINOpen Invention Network
OINOpérations d'Intérêt National (French: Operations of National Interest)
OINOriginator's Identification Number (direct debit identification number)
OINOuter Info Network (advertising supported software)
OINOther Items Net
OINOtaniemi International Network (Finland)
OINOrganization of Imperial Nations (Cyber Nations alliance)
OINOrona Innovation Network (Spain)

Note: We have 19 other definitions for OIN in our Acronym Attic