标准号:IS 9829 Pt.2-1981
发布日期:1982/5/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: Dimensional and other requirements for metal bone screws used in orthopaedic surgery and having shallow and deep asymmetrical threads and heads with spherical under-surfaces, the radius of which is 3·5 mm for each screw in the series ( hence 'constant fitting').