Transmisson of optical radiation;optical clear (nonscattering) media, quantities, symbols and unitsTransmission de radiation optique; milieux éclaires; grandeurs, symbols et unités
DIN 1349-1:1972 history
1972DIN 1349-1:1972-06 Transmisson of optical radiation; optical clear (nonscattering) media, quantities, symbols and units
1972DIN 1349-1:1972 Transmisson of optical radiation; optical clear (nonscattering) media, quantities, symbols and units