British standard institution

British Standard :19 48-1951 British Standard institution Year not listed British Standers Intitution yearbook British Standard Institution 1954 Methods of test for soil classification and compaction British Standard Institution 1948 Methods of testing vulcanized rubber British Standard Institution 1950 Precast Concrete Cladding (Non-Loadbearing) British Standard Code of practice CP 297 British Standard Institution 1972 Requirements for electrical installations Institution of electrical engineers 2001