The document specifies dimensions and tolerances for bars for drop wires for electrical warp stop motions with continuous contact rail (form E1) or inner splitted contact rail (form E2).
DIN 64580-1:2002 history
2012DIN ISO 13435:2012 Textile machinery and accessories - Bars for drop wires for electrical warp stop motions (ISO 13435:2011)
2002DIN 64580-1:2002 Textile machinery and accessories - Bars for drop wires - Part 1: For electrical warp stop motions