DIN 82004-1
DIN 82004-1 Turnbuckles with oval eyes, double lugs and round eyes head fittings - Part 1: Non-alloy quality steel
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2008