BS 6912-21:1996

Заменен

Safety of earth-moving machinery, Specification for lighting, signalling and marking lights, and reflex-reflector devices — 66 стр.

Заменен на

BS ISO 12509:2004

ICS

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