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CSTO

What does CSTO mean?

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Language

Themes and places

CSTO

Collective Security Treaty Organization

Organizations and associations
International relations

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Ackr catalogs and defines acronyms, initialisms, symbols and other abbreviations, that is concise modes of expression, both in writing and orally. Being a multilingual dictionary of abbreviations, Ackr lists and translates abbreviations from many places and in many languages.