Number | Date | Country | Kind |
---|---|---|---|
8201306 | Mar 1982 | SEX |
Number | Name | Date | Kind |
---|---|---|---|
4215912 | Minoura | Aug 1980 | |
4230394 | Brueggemann et al. | Oct 1980 |
Number | Date | Country |
---|---|---|
2550815 | May 1977 | DEX |
3022365 | May 1981 | DEX |
Entry |
---|
W. L. Wolfe and G. L. Zissis, "The Infrared Handbook", Paragraph 9.4 (1978). |