标准号:IS 10040-1981
发布日期:1982/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Covers the requirements of rotating hook which operates in a full rotary motion in a vertical plane on a horizontal axis, and is mainly used on LS1(1) and LS2(1) class sewing machines for industrial use.Note —Symbols LS1(1) and LS2(1) conform to IS: 9152-1979 'Glossary of terms and identification symbols relating to classification of industrial sewing machines '.