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BS 1380-4-4.1:1979

Method for determining the speed of sensitized photographic materials. Specification for light sources for sensitometric exposure-Simulation of the spectral distribution of daylight
standard by BSI Group, 02/28/1979

BS 2011-2A:1963

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

BS 2043:1953

Method for the determination of wool fibre fineness using the projection microscope.
standard by BSI Group, 10/30/1953

BS 2000-432:1998

Methods of test for petroleum and its products-Liquefied petroleum gases. Calculation method for density and vapour pressure
standard by BSI Group, 03/01/1998