FIELD: mining. SUBSTANCE: device has airtight body, means for connecting measurement instruments and vessel for sample made in form of screen set. Lower screen contacts means for holding screens. Means are located on inner surface of airtight body provided with cover which has channel for connecting measurement instruments. Other side surfaces of screen have ears for fasteners to arrange screens in body and to remove them from it. EFFECT: higher efficiency. 1 dwg
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Authors
Dates
1995-04-30—Published
1992-07-22—Filed