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PL350957A1
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Circuit arrangement for enforcing disconnection of an inductive load, in particular of an electromagnet winding
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PL344093A1
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Protective and/or control device, in particular that for a medium-voltage switchgear
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PL344094A1
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Current-measuring input circuit, in particular that for use in a microprocessor-based protective device
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PL323774A1
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Resistance-type relay in particular for a ptc resistor type pick-up
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PL323773A1
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Microprocessor-type protective voltage relay
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PL323771A1
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Control and protective relay in particular for pumping engines
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PL323772A1
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Microprocessor-type protective current relay
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PL272494A1
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Method and system for generating synchronization pulses in a graphic cga interface
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PL270791A1
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Controller
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PL255093A1
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Data transmission control system for controlling data transmission through a direct memory access channel of graphic display unit
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PL253855A1
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Rectangular electromagnetic chuck for chucking ferromagnetic workpieces of rather complex shape while machining them
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PL250913A1
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Electromagnetic impact apparatus
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PL249148A1
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Electronic fan-type anemometer
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PL248810A1
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Electromagnetically driven hammer in dust-proof casing
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PL248809A1
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Heavy-duty electromechanical hammer
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PL248808A1
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System for automatically correcting settings of an electronic on-off temperature controller
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PL247820A1
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Protective covere plate in particular for protecting struck wall of loose material storage bin
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PL246695A1
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Induction-type proximity detector
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PL245941A1
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Hammer mechanism for producing impact shocks in particular of particulate solid material storage bin wall
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PL245255A1
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Dustproof enclosed electromechanical impact device
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