Jan Rynik

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Gliwice, PO

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Patents Grantslast 30 patents

Information Patent Grant
Sprocket-wheel, especially for mining machines
- Patent number 4,095,478
- Issue date Jun 20, 1978
- Politechnika Slaska im Wincentego Pstrowskiego
- Jan Rynik
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL