Inland navigation vessels - Manually operated coupling devices for push tows - Safety requirements and main dimensions (ISO 6218:2005); German version EN ISO 6218:2005— 13 стр.
Inland navigation vessels - Manually- and power-operated coupling devices for pushing units and coupled vessels - Safety requirements and main dimensions (ISO 6218:2015); German version EN ISO 6218:2015— 23 стр.