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2558332 | Artale | Jun 1951 | A |
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4020522 | Behrend | May 1977 | A |
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D526487 | Chenvainu et al. | Aug 2006 | S |
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2224336 | Dec 1997 | CA |
34 28 860 | Feb 1986 | DE |
35 24 586 | Jan 1987 | DE |
41 25 168 | Apr 1992 | DE |
42 01 873 | May 1993 | DE |
19857032 | Jul 1999 | DE |
0 173 150 | Mar 1986 | EP |
2587183 | Mar 1987 | FR |
WO 9107116 | May 1991 | WO |
WO 9219125 | Nov 1992 | WO |
WO 9421192 | Sep 1994 | WO |
WO 9741753 | Nov 1997 | WO |
WO 0245617 | Jun 2002 | WO |