IEC 81346-2-2009 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes
感谢楼主分享IEC 81346-1-2009 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 1: Basic rules,和IEC 81346-2-2009 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes。作者: info.cqw 时间: 2018-7-30 09:11:35