|
| Commodity | 2005 | 2006 | 2007 | 2008 |
| Permanent magnets & arts. intended to become permanent magnets after magnet ... | $10,185 | | | $9,090 |
| Electro-magnetic couplings, clutches & brakes | $12,260 | $48,252 | $5,132 | |
| Electro-magnetic lifting heads | | | | $2,183 |
| Electro-magnets n.e.s. in 85.05; electro-magnetic/permanent magnet chucks, ... | $1,267 | | $301,799 | $40,535 |
| Total | $23,712 | $48,252 | $306,931 | $51,808 |
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