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PDF Standards BS 3456-202.41:1991

Specification for safety of household and similar electrical appliances. Particular requirements-Electric pumps for liquids having a temperature not exceeding 35°C
standard by BSI Group, 02/28/1991

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PDF Standards BS 3473-2:1982

Chemical resistance of glass used in the production of laboratory glassware-Method for determination of hydrolytic resistance of glass grains at 98°C
standard by BSI Group, 05/31/1983

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