Method for shielding glass tubes for low-voltage fluorescent lamps
ES268474A1
Procedure and installation for the coating of low voltage discharge lamps with luminous substances (Machine-translation by Google Translate, not legally binding)
DE1142661B
Method for shielding fluorescent lamps
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Process for making powdery phosphors flowable
DE1019433B
Ground plate
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Luminous capacitor
DE1030928B
Arrangement for preventing the escape of undesired ultraviolet light in fluorescent lamps
DE930942C
Ground plate for vacuum devices, especially for automatic pumping machines
DE1014228B
Device for introducing a precisely measured quantity of mercury into electrical discharge vessels, in particular into low-voltage fluorescent lamps