A52

A52 may refer to:

• Ubiquitin A-52 residue ribosomal protein fusion product 1, a human gene

roads 

• A52 road (England), a road connecting Newcastle-under-Lyme and Mablethorpe
• A52 motorway (France), a road connecting Aubagne and the A50
• A52 motorway (Italy), a ring road around Milan
• A52 motorway (Switzerland), a road connecting Zumikon and Hinwil

and also :

• The A/52 audio codec, also known as AC-3 or Dolby Digital
• One of the Encyclopaedia of Chess Openings codes for the Budapest Gambit in chess
• Action 52, a video game developed by Active Enterprises

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