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F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V35/00—Candle holders
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Engineering & Computer Science
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General Engineering & Computer Science
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Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices
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Zuendung bei Metalldampfentladeapparaten, insbesondere Metalldampfgleichrichtern, mit Zuendelektrode und zur Verminderung der Dampfentwicklung als Docht ausgebildeter Kathode