Sofka G. Popova

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Sofia, BG

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Patents Grantslast 30 patents

Information Patent Grant
Friction impulse transmission mechanism
- Patent number 4,753,120
- Issue date Jun 28, 1988
- NPSK Po Kontrolno Zavarachni Raboti
- Ivan A. Bakalov
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...