IEEE Std 623-1976 · Versi kandungan URL: https://knowledge.ivjn.us/ms/works/ieee-std-623-1976/versions.html IEEE Std 623-1976 是电气电子工程师学会的技术标准,题为“IEEE Standard Graphic Symbols for Grid and Mapping Diagrams Used in Cable Television Systems”;公开目录标为非现行(Inactive),已撤回(Withdrawn),著录年份为 1976 年。 - rev 1 (2026-11-01) : 当前版本 https://knowledge.ivjn.us/ms/works/ieee-std-623-1976/at/1.html Page 1 / 1, 1 total