Licem prema gore Osvjetljenje Rak backup o ring pogoršati Racionalizacija ploča
Backup Rings - Backup Seals | Rocket Seals, Inc.
Backup Rings (BUR) – CTG, Inc.
Global O-Ring and Seal on Twitter: "Requesting for backup? We have backup rings readily available in NBR, Viton, and Teflon (Solid, Split, and Spiral versions). Use our Backup Ring Size Chart here