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| Commodity | 2005 | 2007 | 2009 | 2010 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | | | $6,496 | $4,542 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | | $143 | | |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $3,264 | $4,673 | $31,818 | $15,353 |
| Total | $3,264 | $4,816 | $38,314 | $19,895 |
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