Gem Bids For 7 Radioactive Standard Solution Of Tritium With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Cs- 137 With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Co-60 With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Ba-133 With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Eu-152 With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Sr-90 With Activity Of 500 Kbq In Glass Ampoule Radioactive Standard Solution Of Am- 241 With Activity Of 500 Kbq In Glass Ampoule