DIN 42600-1 [ Withdrawn ] Instrument transformers for 50 Hz, insulation class 0.5 to 45 N (highest system voltages 0.6 to 52 kV); general directions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 08/01/1973
DIN 108-7 Supplement 1 Slide projection, overhead projectors, test for minimum requirements for use in practice Amendment by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 51061-3 Testing of ceramic raw and finished materials; sampling, refractory bricks standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 44402-17 Measurements of the electrical properties of electronic tubes; methods of measurement for television picture tubes standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 44402-19 Measurement of the electrical properties of electronic tubes; measurement of noises due to mechanical or acoustic excitations standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 5325 Sewing machines; needle size comparison chart standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 47226 HF-connection 1.8/5.6 characteristic impedance 50 <Ohm>; mating dimensions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 47227 HF-connection 9/21, characteristic impedance 50 <Ohm>; mating dimensions standard by Deutsches Institut Fur Normung E.V. (German National Standard), 07/01/1973
DIN 44402-7 Measurements of the electrical properties of electronic tubes and valves; methods of measuring hiss and hum standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1973
DIN 20127 Spades standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1973
DIN 44402-8 Measurements of the electrical properties of electronic tubes; measurement of equivalent noise resistance standard by Deutsches Institut Fur Normung E.V. (German National Standard), 06/01/1973
DIN 41756-2 Static power convertors; duty of power convertors, typers of d.c. load standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/1973