BS

Steel for land boilers, receivers and other pressure vessels
standard by BSI Group, 01/31/1958

Recommendations for graphic symbols and abbreviations for fire protection drawings
standard by BSI Group, 07/31/1990

Specification for steel butt-welding pipe fittings for the petroleum industry
standard by BSI Group, 12/12/1962

Specification for steel butt-welding pipe fittings for the petroleum industry. Wrought and cast austenitic chromium-nickel steel fittings. Metric units
standard by BSI Group, 03/21/1968

Specification for precision vernier height gauges
standard by BSI Group, 04/29/1983

Specification for precision vernier height gauges
standard by BSI Group, 08/31/2009

Symbolic representation for process measurement control functions and instrumentation
standard by BSI Group, 01/31/1984

Symbolic representation for process measurement control functions and instrumentation
standard by BSI Group, 04/30/1984

pH measurement
standard by BSI Group, 12/31/1984

Specification for buttress threads
standard by BSI Group, 08/17/1950

Specification for tractive armature direct current neutral track and line relays for railway signalling
standard by BSI Group, 07/26/1950

Machine tapers. Specification for drill chuck tapers (Jacob and short Morse)
standard by BSI Group, 09/30/1988