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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
7: Machinery and transport equipment
74: Other industrial machinery and parts
747: Appliances for pipes, boiler shells, tanks, vats, etc.
747: Appliances for pipes, boiler shells, tanks, vats, etc.
7471: Pressure-reducing valves
7472: Valves for oleohydraulic, pneumatic transmissions
7473: Check valves
7474: Safety or relief valves
7478: Taps, cocks, valves & similar appliances, n.e.s.
7479: Parts for the appliances of heading 747
747: Appliances for pipes, boiler shells, tanks, vats, etc.
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