Number | Date | Country | Kind |
---|---|---|---|
802866 | Sep 1980 | FIX |
Number | Name | Date | Kind |
---|---|---|---|
3425818 | Plumat | Feb 1969 | |
3431095 | Ross | Mar 1969 | |
3792993 | Artama et al. | Feb 1974 |
Number | Date | Country |
---|---|---|
408494 | Apr 1934 | GBX |
Entry |
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Handbook of Glass Manufacturing, vol. II, pp. 820-832. |