OTHER
ISO 13347-4:2004
ISO 13347-4:2004 is an international standard that specifies a method for determining the sound power levels of industrial fans under standardized laboratory conditions, specifically using the sound intensity method. It is part of a larger series of standards, ISO 13347, focused on industrial fan acoustics.
📄 Document
Title: APPLICATION FORM OF ISO 13347-4:2004
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
