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BS EN 2139 specifies the characteristics of flat heat-resisting steel washers for use in aerospace
thus determining whether or not they are fit for purpose in a specific environment
It is applicable to all types of board (including corrugated and solid fibreboard) having bursting strengths within the range 350 kPa to 5 500 kPa
It is not applicable to the detection of persons weighing less than 20 kg
Laboratory glassware. Desiccators Ingestion-build-141043 BS EN 2139 specifies the1 Scope This International Standard specifies requirements and tests for desiccators and vacuum desiccators intended for general laboratory purposes such as drying of substances or material.
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