PPT Pyrolyse-und Prozessanlagentechnik GmbH & Co.

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Hanover, DE

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Process and apparatus for ducting flue gas within a boiler
- Patent number 4,291,649
- Issue date Sep 29, 1981
- PPT Pyrolyse-und Prozessanlagentechnik GmbH & Co.
- Wilfried Boder
- F24 - HEATING RANGES VENTILATING

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