What international standard paper size (denoted by the letter A plus a number) has the dimensions of 297 x 420mm?
A.III A.III. A03 A.3 A3 A3 (disambiguation) A³ A III A 3 A-3 A3 (game)
a3 a3 game 3 a³ iii a03 a3 disambiguation
a3
WikipediaEntity
A3