Number | Date | Country | Kind |
---|---|---|---|
8913683[U] | Nov 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
3071748 | Lucia | Jan 1963 | |
3412276 | Curl | Nov 1968 | |
4710676 | Morris et al. | Dec 1987 | |
5003284 | Dieudonne 338237 | Mar 1991 |
Number | Date | Country |
---|---|---|
1063725 | Aug 1959 | DEX |
1831315 | May 1961 | DEX |
Entry |
---|
"Infrarot" by Heraeus Quarzschmetze GmbH, Hanau PIR-B-20, referenced as 2C 4.88/VN Ku. |