DIFF Subgroup
B25D 9/04 of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Portable percussive tools with fluid-pressure drive, e.g. having several percussive tool bits operated simultaneously > of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
CPC:
Portable percussive tools with fluid-pressure drive, , e.g. having several percussive tool bits operated simultaneously > of the hammer piston type, i.e. in which the tool bit or anvil is hit by an impulse member
No child classifications to compare. This is a leaf node in both IPC and CPC.