Référencé par|
| US3968022 | 17 oct. 1974 | 6 juil. 1976 | Hooker Chemicals & Plastics Corporation | Electrolytic cell seal | | US4411438 | 16 avr. 1981 | 25 oct. 1983 | Keystone International, Inc. | Packing gland | | US5292137 | 23 déc. 1992 | 8 mars 1994 | Rotoflex, Inc. | Rotary shaft sealing method and device | | US5356158 | 2 déc. 1992 | 18 oct. 1994 | Rotoflex, Inc. | Resilient rotary seal with projecting edge |
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