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5360693 | Sebald et al. | Nov 1994 | |
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5648195 | Sebald et al. | Jul 1997 | |
5703186 | Sezi et al. | Dec 1997 | |
6063543 | Hien et al. | May 2000 |
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0 388 484 A1 | Sep 1990 | EP |
0 412 385 A1 | Feb 1991 | EP |
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0 645 679 A1 | Mar 1995 | EP |
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