IEEE Std 487-2015 · الإصدارات URL: https://knowledge.ivjn.us/ar/works/ieee-std-487-2015/versions.html IEEE Std 487-2015 是电气电子工程师学会的技术标准,题为“IEEE Standard for the Electrical Protection of Communications Facilities Serving Electric Supply Locations -- General Considerations”;公开目录标为非现行(Inactive),保留(Reserved),著录年份为 2015 年。 - rev 2 (2026-11-11) : 当前版本 https://knowledge.ivjn.us/ar/works/ieee-std-487-2015/at/2.html Page 1 / 1, 1 total