Means of packaging – Non-removable head (tight head) and removable head (open head) drums made of steel – Drop handle
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2001

Means of packaging – Non-removable head (tight head) and removable head (open head) drums made of steel – Drop handle
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2013