标准号:EN 2923-2019
中文标准名称:EN 2923-2019
英文标准名称:"Aerospace series - Nuts@ hexagon@ plain@ reduced height@ reduced across flats@ in heat resisting steel@ silver plated - Classification: 600 MPa (at ambient temperature) / 425 °C,"
发布日期:2019-04-01
实施日期:2019-04-17