标准号:IS 4686-1980
发布日期:1981/5/1 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 two varieties of cotton fabric used for typewriter ribbons, scoured or bleached.1.2 This standard does not specify the general appearance, feel, shade, etc of the cloth ( see also 3.3 ).