Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
Load children
B25D
PERCUSSIVE TOOLS
Load children
2222/00
Materials of the tool or the workpiece
Load children Filter patents View analytics View as hierarchy
B25D2222/51
Hard metals, e.g. tungsten carbide
Filter patents View analytics View as hierarchy