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BS 6144:1990 Specification for expansion vessels using an internal diaphragm, for unvented hot water supply systems
BS 8000-15:1990 Workmanship on building sites - Code of practice for hot and cold water services (domestic scale)
BS 855:1990 (R2017) Specification for welded steel boilers central heating and indirect hot water supply (rated output 44 kW to 3 MW) partTitleEN sectionTitleEN
BS 5377-2:1990 Assessment of laundering effects by means of a cotton control cloth - Methods of analysis and test for the unsoiled cotton control cloth
BS 3936-10:1990 Nursery stock - Specification for ground cover plants
BS 7251-1:1990 Orthopaedic joint prostheses - Specification for general requirements