Methods for analysis and testing of coal and coke-Size analysis of coke
standard by BSI Group, 01/30/1981
Methods of test for colour fastness of textiles and leather.-Grey scale for assessing change in colour
standard by BSI Group, 12/15/1978
Architects' engineers' and surveyors scales. Plastic scales
standard by BSI Group, 01/19/1959
Guaranteed minimim reckoners for the building and civil engineering contracting industries
standard by BSI Group, 04/01/1957
Specification for flanged and butt-welding end steel outside-screw-and yoke wedge gate valves for the petroleum industry
standard by BSI Group, 03/10/1960