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BS

PDF Standards BS 4491-2.1:1990

Appliance couplers for household and similar general purposes. Specification of requirements for individual types of coupler-Sewing machine couplers
standard by BSI Group, 08/31/1990

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BS

PDF Standards BS 3602-2:1991

Specification for steel pipes and tubes for pressure purposes: carbon and carbon manganese steel with specified elevated temperature properties-Specification for longitudinally arc welded tubes
standard by BSI Group, 10/31/1991

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