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STN is a protected designation of Slovak national technical standards.
Inspection squares 90°. Types. Fundamental dimensions. Technical requirements
Standard published on 1.12.1986
Selected format:Drawing instruments. Technical requirements
WITHDRAWN published on 1.7.1980
Selected format:Control and drawing sets. Control rulers
WITHDRAWN published on 1.3.1957
Selected format:Control and drawing rulers. Workshop rulers
WITHDRAWN published on 1.3.1957
Selected format:Measuring gauges. Ribbed cast-iron rulers
WITHDRAWN published on 1.12.1953
Selected format:Control and drawing sets. Rulers with askanced edge
WITHDRAWN published on 1.3.1957
Selected format:Control and drawing sets. Drawing angles
WITHDRAWN published on 1.3.1957
Selected format:Control and drawing sets. Flat angles 120°
WITHDRAWN published on 1.3.1957
Selected format:Carpenter´s squares
WITHDRAWN published on 1.12.1965
Selected format:Control and drawing sets. Drawing angles 45°
WITHDRAWN published on 1.3.1957
Selected format:Latest update: 2026-11-14 (Number of items: 2 210 114)
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