Laszlo Gal

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Balassagyarmat, HU

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Patents Grantslast 30 patents

Information Patent Grant
Pressure limiting valve, particularly for hydraulic mine props
- Patent number 4,418,715
- Issue date Dec 6, 1983
- Kozponti Banyaszati Fejlesztesi Intezet
- Karoly Balazs
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...