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BS L 117:1975
Specification for tube of aluminium-magnesium-silicon-copper-chromium alloy (solution treated and artificially aged: not tested hydraulically) (not exceeding 10 mm thickness) (Mg 1.0, Si 0.6, Cu 0.28, Cr 0.2)
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BS 5195-1:1975
Recommendations for bibliographical references to maps and charts-References in accessions lists
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