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ČSN is a protected designation of Czech national technical standards.
Utility tunnels and other associated paths of engineering networks
Standard published on 1.4.2017
Selected format:Kolektory a ostatní sdružené trasy vedení inženýrských sítí.
Change published on 1.1.2018
Selected format:Community Collectors (service subway) systems of technical installation
WITHDRAWN published on 1.6.1994
Selected format:
WITHDRAWN published on 10.8.1987
Selected format:Design of road tunnels
Standard published on 1.12.2013
Selected format:Desing of road tunnels
WITHDRAWN published on 1.1.2006
Selected format:
WITHDRAWN published on 1.2.1994
Selected format:Design of highway tunnels
WITHDRAWN published on 1.8.1999
Selected format:Design of road tunnels
WITHDRAWN published on 1.12.2007
Selected format:Railway tunnels
Standard published on 1.9.2002
Selected format:Latest update: 2026-07-10 (Number of items: 2 286 359)
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