标准号:IS 7202-1974
发布日期:1974/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Prescribes dimensions, tolerances, material requirements of inspection gauges recommended for checking the taper threads on the valve stems and the threads in the cylinder necks of valve fittings conforming to IS: 7302 - 1974 'Specification for valve fittings for gas cylinder valves for use with breathing apparatus'.