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BS 143:1938

Malleable cast iron and cast copper alloy pipe fittings (screwed b.s.p. taper thread) for steam, water, gas and oil
standard by BSI Group, 01/01/1938

BS 2011-2.1TB:1977

Basic environmental testing procedures for electronic components and electronic equipment-Tests. Test T: Soldering
standard by BSI Group, 08/31/1977