BS 6912-3:1990

Заменен

Safety of earth-moving machinery, Sound test method for machine-mounted forward and reverse warning alarm — 12 стр.

Заменен на

BS ISO 9533:2010

ICS

53.100 Earth-moving. Including tractors, excavators, loaders, graders, etc. / Землеройные машины. Включая экскаваторы, погрузчики, грейдеры и т.д.