CPC Subgroup
A47J 27/086 with built-in heating means (adaptations of automatic switches for the heating means A47J27/62)
Full Title
Cooking-vessels (A47J29/00 - A47J33/00 take precedence) > Pressure-cookers; Lids or locking devices specially adapted therefor > with built-in heating means (adaptations of automatic switches for the heating means A47J27/62)