Number | Date | Country | Kind |
---|---|---|---|
3909186 | Mar 1989 | DEX |
Number | Name | Date | Kind |
---|---|---|---|
2121590 | Espe | Jun 1938 | |
3436109 | Loose | Apr 1969 | |
3858097 | Polye | Dec 1974 | |
3901772 | Guillotin et al. | Aug 1975 | |
4345299 | Ho | Aug 1982 | |
4371588 | Kyle | Feb 1983 |
Number | Date | Country |
---|---|---|
0351701 | Jan 1990 | EPX |
Entry |
---|
"Vakuumichte Metall-Keramik-Verbindungen", pp. 69-71 ETZ-B, a German periodical, Mar. 21, 1958, Von Korlernst Muller. |