| 摘要 |
FIELD: mining. ^ SUBSTANCE: sampling unit includes glass holder, removable sampling sleeve, and stock equipped with a handle. Sampling sleeve is provided with possibility of being fixed on the stock end, made from thin flexible spring steel and cut along the generatrix. The end of sampling sleeve is provided with L-shaped slots, and inner surface of glass holder is provided with projection made so that it can interact with the above slot. ^ EFFECT: maintaining inherent characteristics of soil sample. ^ 3 dwg |
