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STN is a protected designation of Slovak national technical standards.
Soldered machine engineering pipe unions. Heavy socket unions with flat gland
WITHDRAWN published on 1.6.1959
Selected format:Soldered machine engineering pipe unions. Heavy tube unions with conical gland
WITHDRAWN published on 1.6.1959
Selected format:Soldered machine engineering pipe unions. Heavy tube unions with flat gland
WITHDRAWN published on 1.6.1959
Selected format:Soldered machine engineering pipe unions. Heavy plug unions with conical gland
WITHDRAWN published on 1.6.1959
Selected format:Soldered machine engineering pipe unions. Heavy plug unions with flat gland
WITHDRAWN published on 1.6.1959
Selected format:Weld-on tube fittings with union nut. Dimensions and types
WITHDRAWN published on 1.6.1983
Selected format:Hose unions. Low-pressure air force hoses with end pieces
WITHDRAWN published on 1.7.1955
Selected format:Hose unions. High-pressure air force hoses with end pieces
WITHDRAWN published on 1.7.1955
Selected format:Non-soldered machine engineering pipe joints. Sockets of straight pipe connections with connecting pipe thread
WITHDRAWN published on 1.12.1960
Selected format:Special light brazed pipe joints. Sockets for screwing connection
WITHDRAWN published on 1.7.1962
Selected format:Latest update: 2026-08-21 (Number of items: 2 298 377)
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