Knives and cutting blades, for machines or for mechanical appliances

820810 Tools; knives and cutting blades, for machines or for mechanical appliances, for metal working 820820 Tools; knives and cutting blades, for wood working machines or mechanical appliances 820830 Tools; knives and cutting blades, for kitchen appliances or for machines used by the food industry 820840 Tools; knives and cutting blades, for agricultural, horticultural or forestry machines or mechanical appliances 820890 Tools; knives and cutting blades, for machines or mechanical appliances, n.e.c. in heading no. 8208