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PDF Standards BS 3602-1:1978

Specification for steel pipes and tubes for pressure purposes: carbon and carbon manganese steel with specified elevatedtemperature properties-Seamless, electric resistance welded and induction welded tubes
standard by BSI Group, 08/31/1984

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PDF Standards BS 4814-1:1972

Specification for expansion vesses for sealed hot water heating systems. Domestic and small industrial systems using vessels with an internal diaphragm
standard by BSI Group, 04/07/1972

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