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1992-01-14
Driver circuit for a plurality of gas discharge lamps
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1982-12-01
Electric arrangement for starting and supplying a gas and/or vapour discharge lamp comprising two preheatable electrodes
JPH0793198B2
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1995-10-09
ガスおよび/または蒸気放電管の点弧及び給電用電気回路配置
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1989-03-01
Power supply arrangement provided with a voltage converter for igniting and feeding a gas- and/or vapour discharge lamp
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1987-02-25
Ignition circuit for high pressure arc discharge lamps
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1975-12-02
Ballast unit for gas discharge lamps
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1943-03-16
Apparatus for starting and controlling electric discharge devices
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1990-08-28
DC/AC converter for igniting and operating a discharge lamp
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1977-02-01
Lead-lag, series-sequence starting and operating apparatus for three to six fluorescent lamps
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1968-01-16
Pulse generating means for starting discharge lamps
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1970-08-10
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1948-06-29
Electric gaseous discharge lamp circuit
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1988-09-06
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1941-02-11
Electric discharge apparatus
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1950-07-04
Ionization system for gaseous conduction lamps
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(en )
1979-05-01
Circuit arrangement for starting and feeding a gas and/or vapor discharge lamp
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1980-01-15
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1960-11-15
Transformer for electric discharge lamps
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1958-01-14
Ballast and lighting system for fluorescent lamps
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1964-12-08
Safety systems in apparatus for operating electric discharge devices
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1955-11-01
Starting and operating apparatus for electric discharge lamps
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1942-06-16
Rectifier
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1938-04-19
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1960-03-15
Starting circuit for electric discharge lamps
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1955-10-04
Cathode preheat conversion unit for fluorescent lamps