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Siegfried Reike
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Bochum, DE
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last 30 patents
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Patent Grant
Drum-cutter mining machine
Patent number
4,896,920
Issue date
Jan 30, 1990
Gebr. Eickhoff Maschinenfabrik u.EisengieBerei mgH
Karl-Heinz Weber
E21 - EARTH DRILLING MINING
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Patent Grant
Shearer loader for underground mining operation
Patent number
4,828,326
Issue date
May 9, 1989
Gebr. Eickhoff Maschinenfabrik u. Eisengiesserei mbH
Herbert Schupphaus
E21 - EARTH DRILLING MINING