https://rostender.info/region/moskva-gorod/74669202-tender-okazanie-uslug-po-zamene-chistke-i-obrabotke-gryazezashchitnyh-kovrovyh-pokrytij-v-pomeshcheniyah-gbuz-dgp-61-dzm-filial-4-po-adresu-gmoskva