标准号:IS 4346-1982
发布日期:1983/1/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard covers requirements of washers for water services suitable for use in bib taps, stop valves, self-closing taps, flush valves, pillar taps and ferrules covered in IS : 781-1977*, IS : 1795-l982〓, IS : 1711-1970〓, IS : 2692-1978〓, IS : 5869-1970〓, IS : 8931-1978〓, IS : 8934-1978** and IS : 9758-1981〓 respectively.