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BS

PDF Standards BS 2645-2:1956

Tests for use in tha approval of welders. Manual metal arc and oxy-acetylene welding of mild steel and low alloy steel pipelines and pipe assemblies.
standard by BSI Group, 12/10/1956

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BS

PDF Standards BS 2794-2:1977

Specification for textile machinery and accessories. Drafting equipment for preparation and spinning machinery-Spinning preparatory and spinning machinery – covering characteristics of top rollers
standard by BSI Group, 10/31/1977

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