J4

From Wikipedia, the free encyclopedia

J4/J04, J-4/J-04 or J.4/J.04 may refer to:

In science and academia 
In military 
  • Mikoyan-Gurevich MiG-15, Chinese designation of this Soviet-made aircraft is J-4
  • HMAS J4, an Australian Royal Navy submarine which saw service during World War I
In transportation 


Languages