DIN 3334 Mixing valves for heating installations with flanges, three way mixing valves, four way mixing valves, ND 6 max. 110 °C; installation dimensions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1968
DIN 3336 Mixing valves for heating installations with welding neck ends; three way mixing valves, four way mixing valves, ND 6 max. 110 °C, installation dimensions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1968
DIN 68345 Screwed connection for handles and brooms; screw cap and screw plug standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1968
DIN 2921 Access openings 450 × 450 standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/1968
DIN 2922 Explosion openings 450 × 450 standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/1968
DIN 3335 Mixing valves for heating installations with screwed ends; three way mixing valves, four way mixing valves, ND 6 max. 110 °C, installation dimensions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1968
DIN 49019-1 Conduits for electrical installation; flexible plain and non inflammable conduits of insulating material for middle and light pressure load standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1972
DIN 8380 Works-chest of steel standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/1973
DIN 4548 Workshop-chest of steel standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/1973
DIN 49018-1 Conduits and fittings for electrical installation; flexible corrugated and inflammable conduits of insulating material and couplers for middle and light pressure load standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1972
DIN 49018-2 Conduits and fittings for electrical installation; flexible corrugated and inflammable conduits of insulating material with plain mantle and for heavy pressure load standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1972
DIN 46247-3 Receptacles for tabs size 6.3, without insulating sleeve standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1973