BS 6049-7:1981 Methods of test for tea. Determination of alkalinity of water-soluble ash standard by BSI Group, 12/31/1980
BS 5986:1980 Specification for electrical safety and performance of gas fired space heating appliances with inputs 60 kW to 2 MW standard by BSI Group, 11/28/1980
BS 5368-2:1980 Methods of testing windows. Watertightness test under static pressure standard by BSI Group, 11/28/1980
BS 5292:1980 Specification for jointing materials and compounds for installations using water, low-pressure steam or 1st, 2nd and 3rd family gases standard by BSI Group, 11/28/1980
BS MA 81:1980 Specification for ships' derrick fittings standard by BSI Group, 11/28/1980
BS 5955-6:1980 Plastics pipework (thermoplastics materials). Code of practice for the installation of unplasticized PVC pipework for gravity drains and sewers standard by BSI Group, 11/28/1980
BS 9564:1980 Specification for push-button switches of assessed quality: generic data and methods of test; general rules for the preparation of detail specifications standard by BSI Group, 11/28/1980
BS 2969:1980 Specification for high-tensile steel chains (round link) for chain conveyors and coal ploughs standard by BSI Group, 11/28/1980
BS 5854:1980 Code of practice for flues and flue structures in buildings standard by BSI Group, 11/28/1980
BS CECC 16101:1980 Specification for harmonized system of quality assessment for electronic components. Blank detail specification. Electromechanical all-or-nothing relays. Test schedule 3 standard by BSI Group, 11/15/1980
BS 5101-4:1980 Specification for lamp caps and holders together with gauges for the control of interchangeability and safety. Lamp caps, lampholders and gauges used in the United Kingdom but not specified in Parts 1, 2 or 3 standard by BSI Group, 06/30/1980
BS 1179-6:1980 Glossary of terms used in the gas industry. Combustion and utilization including installation at consumers' premises standard by BSI Group, 06/30/1980