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BS EN ISO 17201-2 pdf download - Acoustics——Noise fromshooting ranges —— Part 2: Estimation of muzzle blast and projectile sound by calculation

BS EN ISO 17201-2 pdf download – Acoustics——Noise fromshooting ranges —— Part 2: Estimation of muzzle blast and projectile sound by calculation. 3.1.15 divergent area S size of the area at a certain distance from

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