R21
From Wikipedia, the free encyclopedia
R21 or R-21 may refer to:
- R-21 (missile), a submarine-launched ballistic missile developed and deployed by the Soviet Union
- Dichlorofluoromethane, a hydrochlorofluorocarbon used as a propellant and refrigerant
- Renault 21, a large family car produced between 1986 and 1994
- NIH Exploratory/Developmental Research Grant Award, a type of United States National Institute of Health Grant
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