标准号:IS 1719-1988
发布日期:1989/3/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard prescribes the requirements for two types of pressed wool felts, namely general purpose felts and precision felts subdivided into eight categories on the basis of density.1.2 This standard does not specify the general appearance, feel, shade, etc, of the felt (see also 5 ).