RU1780125C
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High pressure sodium lamp
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SU1485325A1
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Method for determining efficiency of phosphor coating of gas-discharge lamps
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SU1406663A1
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Electrode for high-pressure discharge lamps
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SU1239060A1
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Transferring-accumulating arrangement
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SU1462429A1
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Method of determining the emission properties of electrodes of high-intensity gas-discharge light sources
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SU1259368A1
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Device for installing the shunting jumper on electrodes of miniature capless incandescent lamp
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SU1146505A1
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Stepped movement device
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SU1116472A2
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Incandescent lamp
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SU1023443A1
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Gas discharge type light source testing method
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SU1200355A1
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Head-lamp with gaseous filling agent
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SU956369A1
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Belt-type conveyer magnetic support
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SU962682A1
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Lamp-illuminator
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