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Zaporozhie, SU

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Patents Grantslast 30 patents

Information Patent Grant
Isolating solid substances from a vapor and gas mixture and pulps
- Patent number 4,249,989
- Issue date Feb 10, 1981
- Vladimir N. Kalmykov
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...