Dial indicating thermometers with electrical limit contact devices; filled system thermometers and bimetallic-thermometers
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 12/01/1991
Dial indicating thermometers with electrical limit contact devices – Filled system thermometers and bimetallic thermometers
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/2013
Dial indicating thermometers with electrical limit contact devices – Filled system thermometers and bimetallic thermometers
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 03/01/2015
