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M20060080 | Apr 2006 | FI | national |
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3353201 | Horton et al. | Nov 1967 | A |
3758908 | Maltarp | Sep 1973 | A |
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7203987 | Kuivikko et al. | Apr 2007 | B2 |
20010052158 | Lewis et al. | Dec 2001 | A1 |
Number | Date | Country |
---|---|---|
2614188 | Oct 1988 | FR |
708183 | Apr 1954 | GB |
Number | Date | Country | |
---|---|---|---|
Parent | 29267086 | Oct 2006 | US |
Child | 29349670 | US |