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5324811 | You et al. | Jun 1994 | |
5366781 | Colburn et al. | Nov 1994 | |
5532059 | Lee | Jul 1996 |
Number | Date | Country |
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0 123 312 | Apr 1984 | EPX |
62-94273 | Apr 1987 | JPX |
62-72938 | Apr 1987 | JPX |
2-002303 | Jan 1990 | JPX |
3167388 | Jul 1991 | JPX |
4312458 | Nov 1992 | JPX |
6081299 | Mar 1994 | JPX |
819123 | Feb 1958 | GBX |
Entry |
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