标准号:NF L22-552-1985
中文标准名称:等级为900 MPa/235℃和 425℃双单耳双孔自锁防松螺母.ISO螺纹
英文标准名称:Self-locking anchor nuts, single lug with two holes. Classification 900 MPa/235 degrees C and 425 degrees C. ISO thread.
标准类型:V20
发布日期:1985/2/1 12:00:00
实施日期:1985/2/20 12:00:00
中国标准分类号:V20
国际标准分类号:49.030.30