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STN is a protected designation of Slovak national technical standards.
Grinding allowances
WITHDRAWN published on 1.3.1956
Selected format:Machining allowances for castings
WITHDRAWN published on 1.7.1972
Selected format:Cylindrical shaft ends
Standard published on 1.6.1987
Selected format:Conical shaft ends with the conicity 1/10. Basic dimensions
Standard published on 1.8.1974
Selected format:Non destructive testing - Code of practice for the approval of NDT personnel by recognised third party organisations under the provisions of Directive 97/23/EC
Standard published on 1.9.2015
Selected format:Non-destructive Testing - Evaluation of vision acuity of NDT personnel (ISO 18490:2015)
Standard published on 1.10.2015
Selected format:Non-destructive testing. Qualification and certification of NDT personnel
Standard published on 1.11.2022
Selected format:Non-destructive testing - Qualification and certification of NDT personnel - General principles
WITHDRAWN published on 1.12.2008
Selected format:Non-destructive testing. Qualification and certification of NDT personnel. General principles
WITHDRAWN published on 1.5.1997
Selected format:Non-destructive testing. Qualification and certification of NDT personnel. General principles
WITHDRAWN published on 1.7.2009
Selected format:Latest update: 2025-12-25 (Number of items: 2 253 105)
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