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Hydraulic circuit for longwall mining
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Patent number 8,960,807
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Issue date Feb 24, 2015
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Tiefenbach Control Systems GmbH
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Wilfried Weigel
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Plug contact pairing
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Patent number 8,100,707
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Issue date Jan 24, 2012
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Tiefenbach Control Systems
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Willi Kussel
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H01 - BASIC ELECTRIC ELEMENTS
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Mining device
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Patent number 7,549,709
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Issue date Jun 23, 2009
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Tiefenbach Control Systems GmbH
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Willi Kussel
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E21 - EARTH DRILLING MINING
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Coal face support in a mine
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Patent number 7,494,190
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Issue date Feb 24, 2009
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Tiefenbach Control Systems GmbH
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Willi Kussel
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E21 - EARTH DRILLING MINING
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Releasable non-return valve
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Patent number 7,357,152
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Issue date Apr 15, 2008
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Tiefenbach Control Systems GmbH
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Willi Kussel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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79205092 - TIBA
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Serial number 79205092
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Registration number 5420431
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Filing date Apr 14, 2016
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Tiefenbach Control Systems GmbH
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6 - Common metals and their alloys
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