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PL285313A1
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Control circuit for controlling power supply to electric loads from an asynchronous machine
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PL282164A1
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System for monitoring wear of overload friction couling lining
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PL282126A1
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Combined cutter-loader for cutting drifts of final cross section
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PL281716A1
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Dynamic load absorber in particular for mine roof supports
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PL281653A1
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Beater-type crusher
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PL281344A1
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Apparatus for moving units of self-advancing roof supports
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PL280996A1
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Tractor, in particular for handling and assembling coponents of gallery working roof supports
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PL280997A1
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Electrohydraulic system for driving and controlling operation of the drilling jig
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PL280871A1
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Cutting head of a mining machine
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PL280721A1
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Air jet agitator
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PL280697A1
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Control road of a proportional transducer
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PL280599A1
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Flexible coupling in particular for mining belt conveyors
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PL280465A1
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Fluorescent tube lamp
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PL280490A1
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Hydraulic driving system for self-propelled machines
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PL280454A1
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Pass-through chamber apparatus for abrasive blasting of flexible tension members
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PL280455A1
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Control rod assembly for a proportional transducer
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PL279007A1
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Self-advancing roof supports
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PL278985A1
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Apparatus for protecting against overload power transmission systems of machines in particular of coal planers
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PL278591A1
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Casing
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PL278337A2
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System for meteringly dispensing gaseous mixture for methane detector testing purposes
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