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BS ISO 20469. Guidelines for water quality grade classification for water reuse Ingestion-build-111333 BS EN 60027-7 is applicable
BS ISO 20469. Guidelines for water quality grade classification for water reuse Ingestion-build-111333 BS EN 60027-7 is applicable
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Description
BS EN 60027-7 is applicable to the generation
This document specifies two different grades of disc springs
The change in colour of the specimen and the staining of the adjacent fabrics are assessed using the grey scales
BS EN 14836 on surfaces for sports areas is useful for:
BS ISO 20469. Guidelines for water quality grade classification for water reuse Ingestion-build-111333 BS EN 60027-7 is applicable
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