Number | Name | Date | Kind |
---|---|---|---|
3430664 | Shimwell | Mar 1969 | |
4173990 | Langlois et al. | Nov 1979 | |
4576208 | Steiner | Mar 1986 |
Number | Date | Country |
---|---|---|
907096 | Feb 1982 | SUX |
2135342 | Aug 1984 | GBX |
Entry |
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"Chemical Fibres for Textile Industry", by Eng. Kirhenberger published in the Fed. Rep. of Germany, Aug., 1984, pp. 498-500, FIGS. 1 and 4. |