STB PDF

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones. Original standard UNE-EN ISO 389-8-2004 in PDF full version. Additional info + preview on request

Document status: Active

Unsealed radioactive substances. Identification and documentation. Original standard UNE-EN ISO 3925-2016 in PDF full version. Additional info + preview on request

Document status: Active

Dentistry. Designation system for teeth and areas of the oral cavity. Original standard UNE-EN ISO 3950-2016 in PDF full version. Additional info + preview on request

Document status: Active

Animal and vegetable fats and oils. Determination of peroxide value. Iodometric (visual) endpoint determination. Original standard UNE-EN ISO 3960-2017 in PDF full version. Additional info + preview on request

Document status: Active

Gas turbines. Procurement. Applications for petroleum and natural gas industries. Original standard UNE-EN ISO 3977-5-2003 in PDF full version. Additional info + preview on request

Document status: Withdrawn

Plastics hoses. Helical-thermoplastic-reinforced thermoplastics hoses for suction and discharge of aqueous materials. Specification. Original standard UNE-EN ISO 3994-2014 in PDF full version. Additional info + preview on request

Document status: Active