Maria Georgieva Radeva

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Sofia, BG

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Patents Grantslast 30 patents

Information Patent Grant
Vibro-acoustical extraction apparatus
- Patent number 4,184,965
- Issue date Jan 22, 1980
- Vish Minno-Geoloshki Institute-Nis
- Stoycho M. Stoev
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Counter current flow vibro-acoustical extraction apparatus
- Patent number 4,039,456
- Issue date Aug 2, 1977
- Vish Minno-Geoloshki Institute-Nis
- Stoycho Mitrev Stoev
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL