K39
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(Redirected from K 39)
K39 may refer to:
- 15 cm Kanone 39, a German heavy gun used in the Second World War
- Junkers K 39, a German prototype reconnaissance-bomber built 1926
- K-39 (Kansas highway), a state highway in Kansas
- Piano Concerto No. 2 (Mozart), K. 39, by Wolfgang Amadeus Mozart
- Potassium-39 (K-39 or 39K), an isotope of potassium