Number | Date | Country | Kind |
---|---|---|---|
9601293 | Jan 1996 | GBX |
Number | Name | Date | Kind |
---|---|---|---|
3681352 | Rosenfeld et al. | Aug 1972 | |
3882121 | Cohen et al. | May 1975 | |
5384405 | Hani et al. | Jan 1995 | |
5539114 | Cosmo et al. | Jul 1996 |
Entry |
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