FFE MINERALS USA INC

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BETHLEHEM, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for preheating particulate material
- Patent number 6,926,522
- Issue date Aug 9, 2005
- FFE Minerals USA Inc.
- John P. Townsend
- F27 - FURNACES KILNS OVENS RETORTS