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Gerd Herre
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Oberhausen, DE
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last 30 patents
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Patent Grant
Process and device for introducing bulk material into a rotary hear...
Patent number
5,944,514
Issue date
Aug 31, 1999
Mannesmann Aktiengesellschaft
Ulrich Pohl
F27 - FURNACES KILNS OVENS RETORTS
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Patent Grant
Charging electro furnaces
Patent number
4,702,461
Issue date
Oct 27, 1987
Mannesmann AG
Emil Herre
F27 - FURNACES KILNS OVENS RETORTS