Number | Date | Country | Kind |
---|---|---|---|
79 07884 | Mar 1979 | FRX |
Number | Name | Date | Kind |
---|---|---|---|
3769069 | Sawyer | Oct 1973 | |
4229495 | Takahashi et al. | Oct 1980 |
Number | Date | Country |
---|---|---|
2612154 | Jan 1977 | DEX |
2063942 | May 1977 | JPX |
Entry |
---|
Tator, "Materials Performance", Mar. 1976, pp. 9-16. |