标准号:IS 8777-1978
发布日期:1978/9/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Lays down the main dimensions of endless variable-speed V-belts intended for use on agricultural machinery (and, in particular, harvester-thresher machines), together with the groove section of the corresponding fixed or variable-diameter pulleys.