标准号:IS 4392-1967
发布日期:1968/2/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes the constructional details and other particulars of six grades of hand-made NAMDHAS.1.2 This standard does not specify the general appearance, design, etc, of NAMDHAS ( see also 4.3 ).