Helge H. Petersen

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Copenhagen, DK

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Patents Grantslast 30 patents

Information Patent Grant
Method of conditioning exhaust gases from coal firing
- Patent number 4,391,207
- Issue date Jul 5, 1983
- F. L. Smidth & Co.
- Helge H. Petersen
- F27 - FURNACES KILNS OVENS RETORTS