Classification Information
Asphalt; Bitumen; Pitch; Tar; Monuments, not of metal; Rigid pipes, not of metal; Transportable buildings, not of metal; Reinforcing materials, not of metal, for building
Nonmetallic Building MaterialsAsphalt; Bitumen; Pitch; Tar; Monuments, not of metal; Rigid pipes, not of metal; Transportable buildings, not of metal; Reinforcing materials, not of metal, for building
Nonmetallic Building Materials