DuckCorp Dico

Found one definition

1.                 From Japanese-German FreeDict Dictionary ver. 0.2.0:
                   
   
   
                   
                     
    [ichi1]  判 /(en)tʃˈaɪniːz(ja)lˈe̞tə/,  [ichi1]  はん /hˈäɴ/, ばん /bˈäɴ/
   (はん)
    (noun (common) (futsuumeishi))
   (m) Stempel, (n) Namenssiegel, (n) Papierformat, (f) Größe