131695 ⎘
Working measures on existing buildings; Arrangements for cleaning building facades with arrangements for collecting waste water or cleaning products
SPECIALIZED CLEANING SYSTEM FOR CLEANING HARD FLAT VERTICAL SURFACES
#2System and method for cleaning external walls of building
#3APPARATUS ADAPTED FOR THE REMOVAL OF FOREIGN MATTER
#4WALL CLEANER STRUCTURE
#5Apparatus and method for cleaning façades on multi-story buildings
#6Floor slab penetration structure and floor slab penetration hole repair method