DIN 7817-1
DIN 7817-1 Rims for motor vehicles and trailers; rims with flange J, JK and K without bead retaining contour
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1990
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1990