Andrzej Brzeski

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Warsaw, US

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Patents Grantslast 30 patents

Information Patent Grant
Grid of precious metals for the recovery of platinum metals escapin...
- Patent number 4,239,833
- Issue date Dec 16, 1980
- Mennica Panstwowa
- Tadeusz Retmaniak
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...