730519 | OTHER PIPE oil and gas pipelines with a circular section, an external diameter of 406,4 MM, OF IRON OR STEEL |
73051911 | OTHER TUBES AND PIPES (FOR EXAMPLE, WELDED, RIVETED OR SIMILARLY CLOSED), HAVING CIRCULAR CROSS-SECTIONS, THE EXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : OTHER: GALVANISED PIPES : OF IRON |
73051919 | OTHER TUBES AND PIPES (FOR EXAMPLE, WELDED, RIVETED OR SIMILARLY CLOSED), HAVING CIRCULAR CROSS-SECTIONS, THE EXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : OTHER: GALVANISED PIPES : OTHER |
73051921 | OTHER TUBES AND PIPES (FOR EXAMPLE, WELDED, RIVETED OR SIMILARLY CLOSED), HAVING CIRCULAR CROSS-SECTIONS, THE EXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : OTHER: NON-GALVANISED (BLACK) PIPES : OF IRON |
73051929 | OTHER TUBES AND PIPES (FOR EXAMPLE, WELDED, RIVETED OR SIMILARLY CLOSED), HAVING CIRCULAR CROSS-SECTIONS, THE EXTERNAL DIAMETER OF WHICH EXCEEDS 406.4 MM, OF IRON OR STEEL - LINE PIPE OF A KIND USED FOR OIL OR GAS PIPELINES : OTHER: NON-GALVANISED (BLACK) PIPES : OTHER |