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STN is a protected designation of Slovak national technical standards.
Special light brazed pipe joints. Reducing sealing cones
WITHDRAWN published on 1.7.1962
Selected format:Special light brazed pipe joints. Closing cones
WITHDRAWN published on 1.7.1962
Selected format:Hose unions. Sealing cones for low- and high-pressure aircraft hoses
WITHDRAWN published on 1.7.1955
Selected format:Soldered machine engineering pipe unions. Shift nuts for heavy socket and tube unions
WITHDRAWN published on 1.6.1959
Selected format:Machine screwing. Union nuts and ends for sealing cones of hoses for hydraulic mechanisms. Dimensions and attachment. Group of pressures 2
Standard published on 1.9.1989
Selected format:Soldered machine engineering pipe unions. Shift plugs for light plug unions
WITHDRAWN published on 1.6.1959
Selected format:Soldered machine engineering pipe unions. Shift plugs for heavy plug unions
WITHDRAWN published on 1.6.1959
Selected format:Machine engineering pipe joints. Screw plugs with metric thread
WITHDRAWN published on 1.12.1960
Selected format:Machine engineering pipe joints. Screw plugs with pipe thread
WITHDRAWN published on 1.12.1960
Selected format:Special light brazed pipe joints. Sealing nuts
WITHDRAWN published on 1.7.1962
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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