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| Commodity | 2005 | 2006 | 2010 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $867,958 | $865,240 | $3,226,380 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $486,502 | $34,424 | $11,512 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $67,673 | $702,057 | $397,034 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $280,511 | $83,133 | $616 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $9,718,350 | $12,333,284 | $34,193,228 |
| Parts of the appls. of 84.81 | $1,103,116 | $570,382 | $484,150 |
| Total | $12,524,110 | $14,588,520 | $38,312,920 |
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