Technical Standard

Methods for treatment of water for marine boilers
standard by BSI Group, 08/19/1968

Air-break circuit breakers for voltages not exceeding 660 volts
standard by BSI Group, 01/30/1933

Treatment of water for marine boilers
standard by BSI Group, 12/31/1947

Methods for the analysis of iron and steel. Small amounts of chromium in irion and steel (absorptiometric method)
standard by BSI Group, 06/11/1952

Flat bottom railway rails
standard by BSI Group, 01/01/1936

Methods for the analysis of iron and steel. Silicon in acid resisting high silicon iron:
standard by BSI Group, 09/23/1949

Methods for the analysis of iron and steel. Tin in pig iron, plain carbon steels and certain low alloy steels
standard by BSI Group, 07/05/1948

Methods for analysis and testing of coal and coke. Caking and swelling properties of coal
standard by BSI Group, 08/08/1969

Packaging code. Textile bags, sacks, and wrappings
standard by BSI Group, 05/26/1950

General purpose acme screw threads
standard by BSI Group, 07/09/1943