DIN 5491 Mass transfer (diffusion and transport of matter); basic concepts, quantities, symbols, dimensionless parameters standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/1970
DIN 18708 Survey benchmark standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 1318 Loudness level standard by Deutsches Institut Fur Normung E.V. (German National Standard), 09/01/1970
DIN 67519 Actinity in the field of optics; definition, measurement, application standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 1838 Circular Metal Slitting Saw Blades; Coarse-toothed standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 44563 Electric ironing machines for domestic use; requirement standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 58751-1 Abrasives for optical engineering; requests standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 1837 Circular Metal Slitting Saw Blades; Fine-toothed standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1970
DIN 53811 Testing of textiles; determination of the diameter of fibres from longitudinal view by microscope projection standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1970
DIN 56920-1 Theatre technics; nomenclature, different kinds of theatres and stages standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1970
DIN 56920-2 Theatre technics; nomenclature, theatre buildings standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1970
DIN 56920-3 Theatre technics; nomenclature, equipments for stages standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1970