| 释义 |
L19, L-19 or L.19 may refer to: - HMS L19, a Royal Navy World War 1 submarine
- L19, the Federal Aviation Administration identifier of Wasco Airport, California
- L19, a Soviet Leninets class submarine
- L.19, a German naval Zeppelin of the World War 1
- L19, a World War 2, US Navy L class blimp
- L19 is the United Kingdom postcode for part of the city of Liverpool
- L-19 Bird Dog, American, military liaison and observation aircraft
- Lectionary ℓ 19, a 13th-century, Greek manuscript of the New Testament
- Nikon CoolPix L19, one of the Nikon Coolpix series of cameras
- L19, human single-chain Fv (scFv) antibody fragment directed against the extra-domain B (ED-B) of fibronectin
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