Number | Date | Country | Kind |
---|---|---|---|
196 31 144.6 | Aug 1996 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2291139 | Borthwick | Jul 1942 | |
3826922 | Ingles | Jul 1974 | |
5148466 | Fajac | Sep 1992 | |
5530734 | Jeager | Jun 1996 |
Entry |
---|
Siemens Brochure for Streusstrahlenraster no date. |