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Testing sprayed concrete - Sampling fresh and hardened concrete Ingestion-build-53008 ISO 4869‑2 is the second

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ISO 4869‑2 is the second part of a multi-part series that specifies three methods of estimating the A-weighted sound pressure levels effective when hearing protectors are worn

This Part of BS 4376 does not apply to refrigerated vehicle mounted blood storage facilities

BS IEC 61334-3-1 specifies disturbance limits in the frequency range from 3 kHz up to 30 MHz

The definitions

Mechanical safety

Testing sprayed concrete - Sampling fresh and hardened concrete Ingestion-build-53008 ISO 4869‑2 is the second

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