Devices for cleaning, on the outside, the windows of guillotine windows in metallic carpentry. (Machine-translation by Google Translate, not legally binding)

摘要

Devices for cleaning outside, the windows of guillotine windows in metalwork, characterized by affecting a window formed by two sheets, one upper and one lower and both can rotate by its lower edge and the last, by virtue of a guide, you can move and stand in front of the previous one in a position parallel to it. (Machine-translation by Google Translate, not legally binding)