Methods for analysis and testing of coal and coke. Forms of sulphur in coal
standard by BSI Group, 03/30/1942
Air-break knife switches and air-break isolating switches for voltages not exceeding 660 volts excluding totally-enclosed and flame proof types
standard by BSI Group, 01/30/1933
Methods for analysis and testing of coal and coke-Proximate analysis-Determination of moisture content of the general analysis sample of coal
standard by BSI Group, 04/30/1991
Universal Decimal Classification. English full edition-Plastic or chipless working, forming and treatment of materials
standard by BSI Group, 06/30/1977
Specification for water-tube steam generating plant (including superheaters, reheaters and steel tube economisers)
standard by BSI Group, 02/28/1978
Specification for sizes of photographic black-and-white papers for general use
standard by BSI Group, 06/29/1972
Methods for the analysis of iron and steel. Manganese in ferro manganese and related alloys Volumetric
standard by BSI Group, 03/02/1966