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Longwall coal cutter and loader
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Patent number 6,247,758
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Issue date Jun 19, 2001
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Eickhoff Maschinenfabrik GmbH
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Herbert Schüpphaus
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E21 - EARTH DRILLING MINING
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Tunnel or road header
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Patent number 4,615,565
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Issue date Oct 7, 1986
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Gebr. Eickhoff Maschinenfabrik und Eisengiesserei mbH
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Herbert Schupphaus
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E21 - EARTH DRILLING MINING
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Control for mining machine
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Patent number 4,588,230
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Issue date May 13, 1986
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Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
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Herbert Schupphaus
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E21 - EARTH DRILLING MINING
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Track for a longwall mining machine
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Patent number 4,451,091
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Issue date May 29, 1984
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Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
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Herbert Schupphaus
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E21 - EARTH DRILLING MINING
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Drum cutter mining machine
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Patent number 4,189,188
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Issue date Feb 19, 1980
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Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
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Herbert Schupphaus
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E21 - EARTH DRILLING MINING
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