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PDF Standards BS 1902-5-5.10:1986

Methods of testing refractory materials. Refractory and thermal properties-Determination of permanent change in dimensions on heating of dense shaped products (methods 1902-510)
standard by BSI Group, 11/28/1986

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BS

PDF Standards 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

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