Evgeni Hristov Mateev

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Pleven, BG

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Patents Grantslast 30 patents

Information Patent Grant
Sprueless plastic material injection molding injection apparatus
- Patent number 4,306,852
- Issue date Dec 22, 1981
- Nipki po Technologia na Materialite
- Evgeni H. Mateev
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing molded parts with a smooth noncellular skin and...
- Patent number 4,092,385
- Issue date May 30, 1978
- Institute po Metaloznanie i Technologia na Metalite
- Angel Tonchev Balevski
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL