标准号:NF L22-538-1975
中文标准名称:带两个沉头铆钉孔的两耳自锁沉头防松螺母.Sim螺纹(rech.)
英文标准名称:Self-locking anchor nuts, countersunk type, single lug with two countersunk rivet holes. Sim thread (rech.).
标准类型:V20
发布日期:1975/6/1 12:00:00
实施日期:1975/6/2 12:00:00
中国标准分类号:V20
国际标准分类号:49.030.30