标准号:IS 4340-1967
发布日期:1968/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard specifies the requirements for two types of needle bar links for sewing machines for household purposes.1.1.1 This standard does not deal with needle bar links used in industrial and special purpose sewing machines.