DIFF Subgroup
E01B 5/10 Composite grooved rails; Inserts for grooved rails
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Rails; Guard rails; Distance-keeping means for them > Rails > Composite rails; Compound rails with dismountable or non-dismountable parts > Composite grooved rails; Inserts for grooved rails
CPC:
Rails; Guard rails (manufacture of rails B21B); Distance-keeping means for them > Rails > Composite rails; Compound rails with dismountable or non-dismountable parts > Composite grooved rails; Inserts for grooved rails
No child classifications to compare. This is a leaf node in both IPC and CPC.