标准号:STAS 12860-1990
中文标准名称:水文地质钻探器械.井底清空用抓斗
英文标准名称:Equipment for hydrogelogical drilling GRABS FOR BOTTOM WELL CLEAN OUT
发布日期:1990/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Prezentul standard se refer? la graiferele cu un calbu, folosite pentru prinderea ?i extragerea buc??ilor mari de roc? de la talpa sondei, ?n forajul hidrogeologic.