CONSTRUCTION MATERIALS, BUILDING STRUCTURE AND SHEET MATERIAL

摘要

PROBLEM TO BE SOLVED: To permanently prevent a spider's web from being formed in a building structure. ! SOLUTION: As construction materials forming a building structure, construction materials 1 are used, the construction materials 1 comprising a construction materials body 2, and a sheet material 4 stuck to the construction materials body 2 and having a fine rugged structure on its surface. ! COPYRIGHT: (C)2014,JPO&INPIT