International Organization for Standardization (ISO)
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ISO 9052-1:1989
Scope
Relates to the unit area of resilient materials with smooth surfaces. Does not apply to loadings lower than 0,4 kPa or greater than 4 kPa, that is not for materials in wall linings and not for machinery foundations.
ISO 9052-1:1989 history
1989ISO 9052-1:1989 Acoustics; determination of dynamic stiffness; part 1: materials used under floating floors in dwellings