CPC Subgroup
A23F 5/043 Full Title
Coffee; Coffee substitutes; Preparations thereof (preservation of coffee or coffee substitutes A23B90/00) > Methods of roasting coffee (machines therefor A23N12/00)
A23F 5/043 Coffee; Coffee substitutes; Preparations thereof (preservation of coffee or coffee substitutes A23B90/00) > Methods of roasting coffee (machines therefor A23N12/00)