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BS

PDF Standards BS 1506:1990

Specification for carbon, low alloy and stainless steel bars and billets for bolting material to be used in pressure retaining applications
standard by BSI Group, 05/31/1990

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BS

PDF Standards BS 1818:1961

Specification for bordered mattresses (excluding cellular rubber mattresses) for hospitals, institutions and government departments
standard by BSI Group, 12/04/1963

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