DIFF Subgroup
B21G 1/10 equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Making needles used for performing operations > equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
CPC:
Making needles used for performing operations (forming heads on pin-like needles B21G3/12; making U-shaped hairpins B21G7/04) > equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
No child classifications to compare. This is a leaf node in both IPC and CPC.