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Overview ISO 456:1973 - "Surface active agents - Analysis of soaps - Determination of free caustic alkali" specifies two validated laboratory methods for measuring free caustic alkali in commercial s…
1 Scope This document establishes the classification, by quality, of raw parquet elements intended for the manufacture of strips for different types of parquet floorings of the following wood species…
Overview ISO 4561:2023 - Wood raw parquets elements - Classification - defines the international classification, by quality, of raw parquet elements used to manufacture strips for parquet flooring. I…