HOS

Definitions

(Abbreviation) Hands On Science

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(Abbreviation) Health Online Service

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(Abbreviation) Health Organization Studies

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(Abbreviation) Home Ownership Scheme

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(Abbreviation) Honeywell Operating System

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(Abbreviation) Horizon Open Systems

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(Abbreviation) Housing Ombudsman Service

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(Abbreviation) Hector On Stilts

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(Abbreviation) Houston Opera Studio

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(Abbreviation) Hands On Shanghai

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(Abbreviation) Health Outcomes Survey

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