DIN 4895-2 Orthogonal coordinate systems; differential operators of vector analysis standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 1825 Pinion-type cutters for cylindrical gears; disc-gear cutters for spur gears standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 1826 Pinion-type cutters for cylindrical gears; extended hub gear cutters for spur gears standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 1828 Pinion-type cutters for cylindrical gears; shank-gear cutters for spur gears standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 1829-1 Pinion-type cutters for cylindrical gears; design, dimensions, definitions, marking standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 1829-2 Pinion-type cutters for cylindrical gears; tolerances standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 8526 Testing of Soldering Joints; Gap Soldered Joints, Shear Test, Creep Shear Test standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 45983-1001 Harmonized system of quality assessment for electronic components; blank detail specification: cold cathode indicator tubes standard by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1977
DIN 2142 Office machines; line spacings and character spacings for numeric and alphanumeric office machines standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1977
DIN 43689 Shut-off valves 40 (570 psig) and 64 (911 psig) for compressed-air installations in electrical switching plants standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1977
DIN 12911 Porcelain laboratory ware; desiccator plates standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1977
DIN 15574 Pilot frequency recording; test tapes 19 and 38 standard by Deutsches Institut Fur Normung E.V. (German National Standard), 10/01/1977