Specification. Primary cells and batteries for intrinsically safe bell signalling circuits in coal mines
standard by BSI Group, 04/23/1953

Methods of test for petroleum and its products-Mercaptan sulphur content of light hydrocarbon products (silver nitrate method)
standard by BSI Group, 02/28/1983

Methods of test for petroleum and its products-Permittivity of bitumen
standard by BSI Group, 11/30/1983

Methods of test for petroleum and its products-Aviation fuels. Estimation of net specific energy
standard by BSI Group, 03/15/1995

Basic climatic and durability tests for components for radio and allied electronic equipment.
standard by BSI Group, 11/12/1954

Basic methods for the climatic and durability testing of components for telecommunication and allied electronic equipment. Soldering
standard by BSI Group, 01/01/1963

Projector spools for 8 mm cinematograph film
standard by BSI Group, 08/19/1953

Specification for diagnostic rubber fingerstalls
standard by BSI Group, 07/29/1958

Specification for stainless steel wire for mechanical springs
standard by BSI Group, 07/29/1983

Preservative treatments for textiles.-Specification for treatments
standard by BSI Group, 04/29/1983