Number | Date | Country | Kind |
---|---|---|---|
97811017 | Dec 1997 | EPX |
Number | Name | Date | Kind |
---|---|---|---|
1505647 | Junggren | Aug 1924 | |
3572728 | Smuland | Mar 1971 | |
3940153 | Stocker | Feb 1976 | |
4335886 | Frey et al. | Jun 1982 | |
4513975 | Hauser et al. | Apr 1985 | |
5244216 | Rhode | Sep 1993 | |
5639095 | Rhode | Jun 1997 |
Number | Date | Country |
---|---|---|
605508 | May 1926 | FRX |
532992 | Feb 1941 | GBX |
684428 | Dec 1952 | GBX |
Entry |
---|
"Beruhrungsfreie Dichtungen", Trutnovsky, et al., VDI-Verlag GmbH publication, 1981, pp. 244-245. |