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DD287802A5
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Method for the sensitivity control of optical reflexing systems
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DD279761A1
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Flow control
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DD246216A1
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Single-SWITCHING REGULATOR
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DD243246A1
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Shutter automatic for car lighting
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DD239313A1
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Method for the automatic manufacture of pcb
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DD237920A1
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Method for automatic welfare tracking
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DD237409A1
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Retroreflex
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DD235144A1
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Circuit arrangement for suppressing the self-rotation of broadband operational amplifiers
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DD235150A1
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Circuit arrangement for expanding the operating voltage range of discharge lamps
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DD234084A1
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Circuit arrangement for brightness control of multiplexed led indicators
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DD227581A1
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Electronic ac power switch
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DD231905A1
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Circuit arrangement for the direction of electric motors
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DD224465A1
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End and operating circuit for discharge lamps
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DD225569A1
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Protection for high voltage switch transistors
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DD223310A1
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Harmonic filter
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DD221902A1
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Control unit for gas discharge lamps with self-timer shut-off
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DD221929A2
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Method for the electronic detection of surface structures
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DD220198A1
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Circuit arrangement for load-off circuit of discharge lamps
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DD217102A1
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Circuit arrangement for stabilizing the large signal behavior of frequency compensated broadband operational amplifiers
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DD214745A1
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Circuit arrangement for heating current reduction in discharge lamps
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