Devices for warming by making use of burning cartridges or other chemical substances

Full Title

Parts, details or accessories of cooking-vessels (A47J27/00 - A47J33/00 take precedence insofar as these parts, details or accessories are restricted to a particular kind of cooking-vessel provided for in a single one of these groups) > Warming devices > Devices for warming by making use of burning cartridges or other chemical substances