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| Commodity | 2006 | 2008 | 2009 | 2010 |
| Pressure-reducing valves for pipes/boiler shells/tanks/vats or the like | $55,981 | $342,927 | $438,617 | $308,993 |
| Valves for oleohydraulic/pneumatic transmissions for pipes/boiler shells/ta ... | | | $194,875 | $226,798 |
| Check (nonreturn) valves for pipes/boiler shells/tanks/vats or the like | | $6,891 | $3,055 | $188,108 |
| Safety/relief valves for pipes/boiler shells/tanks/vats or the like | $3,047 | | $11,029 | $2,329 |
| Taps, cocks, valves & sim. appls. for pipes/boiler shells/tanks/vats or the ... | $356,076 | $1,547,005 | $1,517,117 | $1,552,452 |
| Parts of the appls. of 84.81 | | $427,519 | $838,259 | $1,916,964 |
| Total | $415,104 | $2,324,342 | $3,002,952 | $4,195,644 |
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