IEEE Std 303-1969 · Versioni URL: https://knowledge.ivjn.us/it/works/ieee-std-303-1969/versions.html IEEE Std 303-1969 是电气电子工程师学会的技术标准,题为“IEEE Recommended Practice for Auxiliary Devices for Motors in Class I,- Groups A, B, C, and D, Division 2 Locations”;公开目录标为已被替代(Superseded),著录年份为 1969 年。 - rev 1 (2026-11-01) : 当前版本 https://knowledge.ivjn.us/it/works/ieee-std-303-1969/at/1.html Page 1 / 1, 1 total