78104114
Jan 22, 2002
Dec 16, 2003
Non-metal construction material for floors, namely, additives and materials in the nature of water mixed with stones of low porosity and high resistance to compression and abrasion which allow the permeability of concrete and pavement flooring; materials for pavement and concrete, namely, permeable concrete and pavement tiles; wooden flooring, parquet wooden flooring, and flooring underlayments
Nonmetallic Building Materials