the certificate of State Standard of Russia RU.C.38.001. A 3 11021/1

the certificate of State Standard of Russia RU.C.38.001. A 3 11021/1 is issued on February, 18, 2002 about confirming the type of means of measurements: dosimeters-radiometer DRGB-01 “ECO-1”,
DRGB-01 “ECO-1M”;