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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
7: Machinery and transport equipment
72: Specialised machinery
728: Other machinery for particular industries, n.e.s.
7283: Machinery for preparing mineral substances; parts
72839: Parts of the machinery of heading 7283
72839: Parts of the machinery of heading 7283
72839: Parts of the machinery of heading 7283
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