Composite grooved rails; Inserts for grooved rails

Full Title

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

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Subclass:

PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS