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| Commodity | 2005 | 2006 | 2007 | 2008 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $117,600 | $147,307 | $141,764 | $322,550 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | $5,274 | $104,036 | $20,448 | $20,251 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | $22,927 | $17,346 | $45,563 | $15,009 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $267,948 | $117,940 | $164,773 | $168,614 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $155,719 | $1,027,633 | $422,052 | $345,561 |
| Parts of the appls. of 84.81 | $67,908 | $31,204 | $150,232 | $87,500 |
| Total | $637,376 | $1,445,466 | $944,832 | $959,485 |
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