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STN is a protected designation of Slovak national technical standards.
Piston rings. Tapered piston pressure rings
Standard published on 1.6.1965
Selected format:Piston rings. Cylindrical piston pressure rings with higher tangential force
Standard published on 1.3.1975
Selected format:Piston rings. Tapered piston pressure rings with increased tangential force
Standard published on 1.3.1975
Selected format:Piston rings. Half-tapered piston oil rings
Standard published on 1.6.1965
Selected format:Piston rings. Stepped piston oil rings
Standard published on 1.6.1965
Selected format:Piston rings. Stepped half-tapered piston oil rings with increased tangential force
Standard published on 1.3.1975
Selected format:Piston rings. Slotted piston oil rings
Standard published on 1.3.1975
Selected format:Piston rings. Slotted piston oil rings with increased tangential force
Standard published on 1.3.1975
Selected format:Piston rings. Tapered slotted piston oil rings
Standard published on 1.6.1965
Selected format:Piston rings. Tapered slotted piston oil rings with increased tangential force
Standard published on 1.3.1975
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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