GB/T 7256.2-2023民用机场助航灯具第2部分:顺序闪光灯和跑道入口识别灯国家标准
英文:Lighting fixtures for civil airport—Part 2: Sequence flashing light and runway threshold identification light GB/T 72...
英文:Lighting fixtures for civil airport—Part 2: Sequence flashing light and runway threshold identification light GB/T 72...