BS EN 81-21:2009

Действует

Safety rules for the construction and installation of lifts. Lifts for the transport of persons and goods. New passenger and goods passenger lifts in existing building — 38 стр.

Описание Изменения Ссылки Версии

To be read in conjunction with BS EN 81-1, BS EN 81-2

ICS

91.140.90 Lifts. Escalators / Лифты. Эскалаторы