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Lunen, DT
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Patents Grants
last 30 patents
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Patent Grant
Apparatus for loading material
Patent number
4,063,781
Issue date
Dec 20, 1977
Gewerkschaft Eisenhutte Westfalia
Werner Georg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tightening arrangement for longwall mining machine cable and conveyor
Patent number
4,037,876
Issue date
Jul 26, 1977
Gewerkschaft Eisenhutte Westfalia
Werner Georg
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Mining installations
Patent number
4,026,603
Issue date
May 31, 1977
Gewerkschaft Eisenhutte Westfalia
Werner Georg
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conveyors for mineral mining installations
Patent number
4,026,407
Issue date
May 31, 1977
Gewerkschaft Eisenhutte Westfalia
Werner Georg
E21 - EARTH DRILLING MINING