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BS 5857-2.4:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow. Transit time method using radioactive tracers standard by BSI Group, 03/31/1980
BS 5857-2.1:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of gas flow. General standard by BSI Group, 03/31/1980
BS 5857-1.5:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. Transit time method using radioactive tracers standard by BSI Group, 03/31/1980
BS 5857-1.4:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. Transit time method using non-radioactive tracers standard by BSI Group, 03/31/1980
BS 5857-1.3:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. Constant rate injection method using radioactive tracers standard by BSI Group, 03/31/1980
BS 5857-1.2:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. Constant rate injection method using non-radioactive tracers standard by BSI Group, 03/31/1980
BS 5857-1.1:1980 Methods for measurement of fluid flow in closed conduits, using tracers. Measurement of water flow. General standard by BSI Group, 03/31/1980
BS AU 149A:1980 Specification for electrical connections between towing vehicles and trailers with 6 V or 12 V electrical equipment: type 12 N (normal) standard by BSI Group, 03/31/1980
BS AU 177A:1980 Specification for electrical connections between towing vehicles and trailers with 6 V or 12 V electrical equipment: type 12 S (supplementary) standard by BSI Group, 03/31/1980
BS CECC 41400:1980 Harmonized system of quality assessment for electronic components: sectional specification: rotary precision potentiometers standard by BSI Group, 02/29/1980
BS 3680-8C:1980 Measurement of liquid flow in open channels. Measuring instruments and equipment. Calibration of rotating-element current-meters in straight open tanks standard by BSI Group, 02/29/1980
BS 3T 60:1980 Specification for chromium-molybdenum steel tube (1150 MPa) (maximum thickness 8 mm) standard by BSI Group, 02/29/1980