R37 may refer to:
Roads
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R37 expressway (Czech Republic)
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R37 (South Africa)
The R37 is a provincial route in South Africa that connects Polokwane with Nelspruit (Mbombela) via Burgersfort and Lydenburg.
Route
The R37 begins in Polokwane Central (Capital of Limpopo), at a junction with the two one-way streets that form ...
Other uses
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R-37 (missile)
The Vympel R-37 (NATO reporting name: AA-13 "Axehead") is a Russian hypersonic air-to-air missile with very long range. The missile and its variants also had the names K-37, ''izdeliye'' 610 and RVV-BD (Ракета Воздух-Воздух БоР...
, a Russian missile
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Renard R.37, a Belgian prototype fighter aircraft
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R37: Irritating to respiratory system, a risk phrase
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