Gosudarstvenny Nauchnoissledovatelsky Institmashinovedenia

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4950389 Gravity concentratorExpiredApr 12, 89Aug 21, 90[B03B]
4535283 Device for conversion of non-electrical quantity into electrical signalExpiredApr 18, 83Aug 13, 85[H03H]
4189507 Method for balancing rotorsExpiredOct 21, 77Feb 19, 80[B05D]

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