19 Glass panels for building construction purposes; decorative glass for building; luminous glass for building; common sheet glass for building; wired plate glass for building; laminated flat glass for building; colored sheet glass for building; figured plate glass for building; glass roofing tiles; glass tiles; glass bricks; modified sheet glass for building; tempered glass for building; ultraviolet-ray transmitting glass for building; infrared-ray absorbing glass for building; radiation shield glass for building; building glass; glass or glass-ceramic building materials, namely, glass or glass-ceramic tiles, glass or glass-ceramic panels for building construction purposes, glass or glass-ceramic wall boards, glass or glass-ceramic floor boards, glass or glass-ceramic stair treads, glass or glass-ceramic doors, glass or glass-ceramic windows, glass or glass-ceramic pillars for building, glass or glass-ceramic exterior boards, glass or glass-ceramic ceiling boards and glass or glass-ceramic boards for shelves; ceramic building materials, bricks and refractory products, namely, ceramic tiles, bricks and refractory wall boards, bricks and refractory floor boards, bricks and refractory stair treads, bricks and refractory doors, bricks and refractory windows, bricks and refractory pillars for building, bricks and refractory exterior boards, bricks and refractory panels, bricks and refractory ceiling bricks and refractory boards, and bricks and refractory boards for shelves; building materials made of linoleum, namely, linoleum tiles, linoleum wall boards, linoleum floor boards, linoleum stair treads, linoleum exterior boards, linoleum panels, linoleum ceiling boards, and linoleum boards for shelves; plastic building materials, namely, plastic tiles, plastic wall boards, plastic floor boards, plastic stair treads, plastic doors, plastic windows, plastic pillars for building, plastic exterior boards, plastic panels, plastic ceiling boards, and plastic boards for shelves; synthetic building materials, namely, synthetic tiles, synthetic wall boards, synthetic floor boards, synthetic stair treads, synthetic doors, synthetic windows, synthetic pillars for building, synthetic exterior boards, synthetic panels, synthetic ceiling boards, and synthetic boards for shelves; rubber building or construction materials, namely, rubber tiles, rubber wall boards, rubber floor boards, rubber stair treads, rubber exterior boards, rubber panels, rubber ceiling boards, rubber boards for shelves; plaster for building purposes; building or construction materials of plaster, namely, plaster boards; building timber; building stone; Japanese sliding screens of thin paper (Shoji); sliding doors, not of metal; Japanese style indoor sliding partitions (Fusuma); joinery fittings, not of metal