BS EN 60947-9-2. Low-voltage switchgear and controlgear. Active arc-fault mitigation systems. Part 9-2. Optical-based internal arc-detection and mitigation devices— 50 стр.
Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems (ISO 19225:2017); German version EN ISO 19225:2017— 38 стр.
Underground mining machines - Mobile extracting machines at the face - Safety requirements for shearer loaders and plough systems (ISO 19225:2017 + Amd 1:2019) (consolidated version)