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BS EN 50491-4-1 on the functional safety of HBES and BACS is useful for:
NOTE The requirements of BS EN 3 and the recommendations of this British Standard concerning colour coding apply only to new extinguishers
Fortran [22]
This document does not suggest nor specify any methodology for performing a risk assessment
Railway rolling stocks manufacturers
Surface active agents. Preparation of water with known calcium and magnesium hardness Ingestion-build-232773 BS EN 50491-4-1 on the1 Scope This European Standard specifies a method of preparing water of known calcium and magnesium hardness for use in testing surface active agents and products containing them.
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