[Government standard for corrective eyeglasses (All-Union State Standard 19134-73)].
D011307:Drug Prescriptions; D005139:Eyeglasses / Q000592:standards*; D006801:Humans; D011786:Quality Control; D014586:USSR; D014787:Vision Tests
Gosudarstvennyĭ standart na korrigiruiushchie ochki (GOST 19134-73)