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ÖNORM EN 790:2001-08

Действует
Inland navigation vessels - Stairs with inclination angles of 45° to 60° - Requirements, types
This European Standard applies to stairs with inclination angles of 45° to 60°, having at least two steps, in working
areas of inland navigation vessels.
It does not apply to stairs in passenger areas.
NOTE Whenever possible, stairs specified in EN 13056 should be preferred.
Die Anforderungen an Treppen bis 60° Steigungswinkel in Arbeitsbereichen auf Binnenschiffen sowie die Ausführungen der möglichen Bauarten sind festgelegt.
ICS
47.060 Inland. Including their systems and components / Суда внутренней навигации. Включая их системы и компоненты
47.020.10 Hulls and their structure elements / Корпусы и их конструктивные элементы