DIN 12554 Laboratory glassware; T-bore stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12553 Laboratory glassware; double oblique bore stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12560 Laboratory glassware; offset oblique bore burette stopcocks with tail standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12561 Laboratory glassware; straight bore burette stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12563 Laboratory glassware; V-bore stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12545 Laboratory glassware; vacuum stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 12541-1 Laboratory glassware; straight bore stopcocks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 43859 Watthour meters for instrument-transformer connection; main dimensions for three-phase meters standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1977
DIN 53754 Testing of plastics; determination of abrasion, abrasive disk method standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1977
DIN 61750 Base sizes of shipping containers for textiles standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 46453-3 Winding wires, round wires insulated, single or multiple insulated by covering; methods of tests standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1977
DIN 50508 Chemical analysis of copper and copper alloys; determination of tin as alloying element, volumetric method standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1977