DIN 6094-12
DIN 6094-12 Packaging - Finishes for bottles - Part 12: Screw thread 7.5 R for bottles with internal pressure
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1995
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1995