Number | Date | Country | Kind |
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10117065 | Apr 2001 | DE |
Number | Name | Date | Kind |
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3732287 | Himmele et al. | May 1973 | A |
4504676 | Schnabel et al. | Mar 1985 | A |
5932761 | Omatsu et al. | Aug 1999 | A |
Number | Date | Country |
---|---|---|
1945 479 | Mar 1971 | DE |
24 06 058 | Oct 1975 | DE |
33 09168 | Sep 1984 | DE |
1487274 | Sep 1977 | GB |
Entry |
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Chem.Ing.Techn.45.Jahrg,1973 Reif et al. 646-652. |