OTHER
ISO/FDIS 13347-4
SO/FDIS 13347-4 is a Final Draft International Standard related to the determination of fan sound power levels under standardized laboratory conditions, specifically using the sound intensity method. It outlines procedures for measuring airborne sound emission of industrial fans as defined in ISO 5801 and ISO 13349.
📄 Document
Title: APPLICATION FORM OF ISO/FDIS 13347-4
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
