Section 15 Base metals and articles of base metal 73 Articles of iron or steel 73 08 Iron/steel structures and parts thereof; plates, rods... therefor 73 08 90 Corrugated and curved galvanised plates or sheets prepared for use in conduits, culve 73 08 90 40 Corrugated and curved galvanised plates or sheets prepared for use in conduits, culve Commodity Code Description 73 08 90 40 00 Corrugated and curved galvanised plates or sheets prepared for use in conduits, culve
