Class19： Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
Class19： Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings; monuments, not of metal.
类别19：非金属的建筑材料；建筑用非金属刚性管；石油沥青、地沥青及焦油沥青；可移动非金属建筑物；非金属碑。