Subclass Subgroup Patent
A23B 9/18 09808020
  9/30 09808021
A23C 9/1238 09808022
A23F 3/20 09808023
A23G 3/10 09808024
  3/2092 09808025
  3/50 09808026
A23K 50/40 09808027
A23L 1/0067 09808028
  27/26 09808029
  27/40 09808030
  33/30 09808031