FIELD: agriculture. SUBSTANCE: apparatus has package formed as bag or sack or container made from air-impermeable material. Hook-and-loop tape is attached to inner and outer upper edges. Package is communicated through corrugated hose with vacuum pump. Other end of hose is provided with adsorber. Corrugated hose is made as spiral cord. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 1 dwg
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Authors
Dates
1998-03-20—Published
1994-08-30—Filed