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Inventor
KOENIG WOLFRAM
DE
2 patents
Patents
2 patents
US8309016B2
Nov 13, 2012
Shaft furnace and method for operating a furnace
KOENIG GERD
3 citations
53
US8173064B2
May 8, 2012
Method for operating a shaft furnace, and shaft furnance operable by that method
KOENIG GERD
3 citations
53