标准号:IS 4940-1968
发布日期:1969/5/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard prescribes the requirements for the sample divider designed for dividing and sub-dividing the sample of grain which may contain foreign substances of specific gravity or size different from that of grain, to obtain a sample as representative as original.