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OECD International Trade
International Trade By Commodity Statistics (SITC Rev. 3)
8: Miscellaneous manufactured articles
87: Professional and scientific instruments, n.e.s.
874: Measuring, analysing & controlling apparatus, n.e.s.
8743: Apparatus & instruments for measuring liquid, gases
87431: Apparatus for measuring the flow or level of liqu.
87431: Apparatus for measuring the flow or level of liqu.
87431: Apparatus for measuring the flow or level of liqu.
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