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BS 7121-2-7:2012

Действует
Code of practice for the safe use of cranes. Inspection, maintenance and thorough examination. Overhead travelling cranes, including portal and semi-portal cranes, hoists, and their supporting structures — 24 стр.
BS 7121-2:2003
Заменен
BS 7121-2:1991
Заменен
BS 7121-2-7:2012
Действует