IEC 61346-2-2000 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes
工业系统、装置和设备及工业产品 结构原理和参考标志 第2部分:实物分类和等级代码
Thank you to share the IEC 61346-2-2000 Industrial systems, installations and equipment and industrial products – Structuring principles and reference designations – Part 2: Classification of objects and codes for classes作者: comeback86 时间: 2017-3-6 13:19:32