https://grand-mg.ru/sooruzheniya/chasti-zdaniya/perekrytiya/981-montazh-derevyannyh-perekrytij/attachment/dlya-soedineniya-balok-v-konstrukciyu-vklyuchaetsya-dopolnitelnaya-nesushhaya-opora-2 Thu, 08 Jun 2017 11:31:52 +0000 hourly 1