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Planar transformer for switched-mode power supplies for the generation of extra-low voltages and method for its production
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Plug-in power supply for the power supply of electrical devices
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Dimmed vehicle headlights for mine vehicles
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Explosion-proof and/or flameproof electrical power supply unit having an alternator which is driven by compressed air
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U-shaped retaining bracket for fuse links
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Transformer having an iron core which is composed of sheet-metal laminates
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Emergency supply for mains-operated fluorescent tube - has diode and thyristor in one mains lead, for reducing positive or negative wave portion
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Switching arrangement for a safety light supply device for fluorescent lamps
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SWITCHING ARRANGEMENT FOR A SAFETY LIGHT SUPPLY DEVICE FOR FLUORESCENT LAMPS
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SUPPORT FRAMEWORK FOR NEGATIVE ELECTRODES OF ALKALINE ACCUMULATORS
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EMERGENCY LIGHTING DEVICE
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Alkali amalgam prodn in electrolytic cell
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Process for the production of pure nickel-II-hydroxide
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Wall lamp with emergency generator
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Compressed air-operated power generator for lights that can be used in potentially explosive rooms
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Manufacture of porous nickel electrodes - of uniform fine porosity
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