Number | Date | Country | Kind |
---|---|---|---|
3335828 | Oct 1983 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
4089644 | Carbonell et al. | May 1978 | |
4125371 | Beutler et al. | Nov 1978 | |
4372744 | Hildebrand et al. | Feb 1983 |
Number | Date | Country |
---|---|---|
1458632 | Dec 1976 | GBX |
Entry |
---|
Dullaghan and Ultee, Textile Research Journal, 1973, pp. 10-18. |