DIN 19059-2 Supplement 1
DIN 19059-2 Supplement 1
Microfilms; graphical symbols for microfilming; originals for practical applicationAmendment by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1985
Amendment by Deutsches Institut Fur Normung E.V. (German National Standard), 11/01/1985