автор: Frank Newby

This volume traces the process by which reinforced concrete emerged during the 19th century as the successful building material of today. Early work on testing the strength of cements led into a peri …

This volume traces the process by which reinforced concrete emerged during the 19th century as the successful building material of today. Early work on testing the strength of cements led into a peri …

How to Find Out About Patents presents a basic knowledge of patent matters and provides a few facts regarding patent law and procedures. This book provides a description of the literature available f …