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Representative Diplomas and Medals - before 1990
Method and device for measuring the powder specific surfaces.
- Golden medal - International Innovation Salon , Moscow 1972
- Authors Gh. Bălășescu, Gh. Galațchi
- RO patent no. 56794
Automated equipment for the capacitor banks
- Golden medal - International Innovation Salon , Moscow 1972
- Authors M. Checiulescu, S. Grănescu
- RO patent no. 51915-51919, also patented in Switzerland, England, Germany
Transformer and rectifier for arc electric welding
- Golden medal - International Fair - Köln, Germany 1972
- Author Șt. Grossu
- RO patent no. 60101, also patented in USA, England, Germany, France
Equipment for the multiple arc electric welding
- Golden medal - International Fair - Brno, Czechslovakia 1972
- Author Șt. Grossu
- RO patent no. 51188, also patented in Germany and France
Disc rotor with lamellar conductors
- Golden medal - International Fair - Caen, France 1972
- Author D.F. Lăzăroiu
- RO patent no. 64000, also patented in USA, France, Japan, Germany
Zinc-air battery
- Honour Diploma, golden medal and the salon laureate award - International Salon of Innovations, Moscow 1973
- Author Gh. Bălășescu
Axial air gap and disc rotor motor
- Silver medal - International Salon of Innovations Geneva 1981
- Authors D.F. Lăzăroiu and others



