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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Electro-magnetic couplings, clutches & brakes | $12,619 | $9,237 | $8,166 | | $3,947 | $2,158 | |
| Electro-magnetic lifting heads | $540 | | | | | | |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | | | | $700 | $394 | $1,101 | $1,244 |
| Total | $13,159 | $9,237 | $8,166 | $700 | $4,341 | $3,259 | $1,244 |
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