75242735
Feb 18, 1997
May 11, 1999
books, newspapers, magazines, pamphlets, brochures in the field of engineering, chemistry, architectural design, construction and building materials and building cardboards
Paper Goods and Printed Matterbuilding materials, namely, building stones, hydraulic cement, mortar, concrete, natural or industrial hydraulic binders, siliceous or calcareous aggregates, non-agricultural building lime, granite sands, sandstone for building, artificial stones, building glass panels, and terra cotta
Nonmetallic Building Materialstransportation of passengers and/or goods by rail, truck, air, bus and boat
Transportation and storageengineering services, industrial and architectural design for others and design for others in the field of building industry
Computer and Scientific