Occupational safety standards system. Anchor devices. Recommendations for anchor devices for use by more than one person simultaneously. General technical requirements. Test methods
State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 1. Reference equivalent threshold sound pressure levels of pure tones for supra-aural earphones
€25
Ask a question
Message sent
Your message has been sent. Our experts will respond you shortly. Thank you!
