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| Commodity | 2005 | 2007 | 2010 | 2011 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $8,790 | $21,095 | $6,814 | $41,703 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $18,826 | $39,631 | $51,125 | $134,339 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $39,636 | $54,962 | $109,670 | $66,641 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $24,044 | $4,088 | $31,428 | $124,910 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $144,357 | $585,660 | $440,518 | $596,319 |
| Parts of the appls. of 84.81 | $3,624 | $48,905 | $26,019 | $60,587 |
| Total | $239,277 | $754,341 | $665,574 | $1,024,499 |
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