DIFF Subgroup
B26D 7/084 Full Title
Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting (cutters B26D1/00; arrangements for guiding hand cutting tools B26B29/06; punching tools or dies, cutting-out knives or dies B26F) > Means for treating work or cutting member to facilitate cutting (tensioning band cutters B26D1/48)