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Guides for mineral mining
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Patent number 4,561,697
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Issue date Dec 31, 1985
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Gewerkschaft Eisenhutte Westfalia
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Alois Hauschopp
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E21 - EARTH DRILLING MINING
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Mineral winning machines
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Patent number 4,505,518
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Issue date Mar 19, 1985
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Gewerkschaft Eisenhutte Westfalia
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Alois Hauschopp
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E21 - EARTH DRILLING MINING
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Mineral winning plough
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Patent number 4,403,809
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Issue date Sep 13, 1983
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Gewerkschaft Eisenhutte Westfalia
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Alois Hauschopp
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E21 - EARTH DRILLING MINING
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Guides for mineral mining machines
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Patent number 4,391,471
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Issue date Jul 5, 1983
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Gewerkschaft Eisenhutte Westfalia
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Alois Hauschopp
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Asymmetric mineral mining plough
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Patent number 4,280,733
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Issue date Jul 28, 1981
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Gewerkschaft Eisenhutte Westfalia
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Christoph Rassmann
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E21 - EARTH DRILLING MINING
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Mineral mining installation
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Patent number 4,272,130
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Issue date Jun 9, 1981
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Gewerkschaft Eisenhutte Westfalia
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Alois Hauschopp
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E21 - EARTH DRILLING MINING
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