OTHER
ISO/DIS 7404-1
ISO/DIS 7404-1 refers to a Draft International Standard on coal petrographic analysis, specifically focusing on vocabulary used in the field. It defines terms related to maceral and microlithotype analyses, as well as the reflectance of vitrinite in coal. This standard is under development and intended to replace the previous ISO 7404-1 standard.
📄 Document
Title: APPLICATION FORM OF ISO/DIS 7404-1
📜 Document Instructions:
Please fill the application form and upload required documents online for ISO Certification.
