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Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Po Obogatitelnomu Oborudovaniju
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Leningrad, SU
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Patents Grants
last 30 patents
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Patent Grant
Mechanical flotation machine
Patent number
4,871,448
Issue date
Oct 3, 1989
Gosudarstvenny Proektno-Konstruktorsky I Experimentalny Institut Po Obogatite...
Valentin I. Dobryakov
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...