Forms of double logarithmic paper with scales in the ratio 2/1 Papiers logarithmiques doubles à échelles dans de rapport 2/1Die in dieser Norm enthaltenen Logarithmenpapiere entsprechen der Empfehlung 269-1 (1. Ausgabe 1968) der Inter-nationalen Elekt
DIN 43655:1969 history
1969DIN 43655:1969-10 Forms of double logarithmic paper with scales in the ratio 2/1
1969DIN 43655:1969 Forms of double logarithmic paper with scales in the ratio 2/1