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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $6,037 | $1,220 | $8,524 | $152,183 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | | | | $2,542 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $63 | $24 | | |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | | $101 | | $10,881 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $31,020 | $52,318 | $5,683 | $88,350 |
| Parts of the appls. of 84.81 | $56 | $27 | $8,743 | $11,516 |
| Total | $37,176 | $53,690 | $22,950 | $265,472 |
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