u0441u0442u044fu0436u043du043eu0439 castle for covers of manholes of aircraft

摘要

u0441u0442u044fu0436u043du043eu0439 castle for covers of manholes aircraft containing the corpus, consisting of two parts set out on lids hinged screw and nut with spring washers oh, and the fact that, in order to ensure the performance and increasing the reliability of its work, it comes with an additional season posted in road performed in the body, and with a ledge on the inner surface.the longitudinal pazu, jump performed in hull, and two petals, covering u043fu0440u0443u0436u0438u043du043du0443u044e puck and outside the ring u043fu0440u043eu0442u043eu0447u043au0443 carried out by mr. ike.