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| Commodity | 2005 | 2006 | 2010 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | | $22,400 | $1,671 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $14,703 | | $77,190 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | | | $14,764 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | | | $26,535 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | | $155,079 | $90,467 |
| Parts of the appls. of 84.81 | $17,233 | $82,561 | $11,328 |
| Total | $31,936 | $260,040 | $221,955 |
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