标准号:IS 7881 Pt.2-1976
发布日期:1977/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard (Part II) covers definitions of terms relating to latches;.1.2 The definitions of any device which incorporates a key-operated mechanism are not covered in this standard.