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ELECTRICAL LAMP OR TUBE COMPRISING COPPER COATED NICKEL-IRON ALLOY ELECTRICAL CURRENT CONDUCTORS AND A GLASS ENCLOSURE
ELECTRICAL LAMP OR TUBE COMPRISING COPPER COATED NICKEL-IRON ALLOY ELECTRICAL CURRENT CONDUCTORS AND A GLASS ENCLOSURE
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机译:包含铜包镍铁合金电电流导体和玻璃外壳的电灯或灯管
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摘要
Electrical articles, including electrical lamps and tubes, have dumet electrical current conductors and a glass enclosure sealed to the conductors. The glass enclosure may be composed entirely of a Na2O-Li2O-K2O-BaO-Al2O3-SiO2 electrical sealing glass, or may be composed of a soda-lime glass envelope joined to the conductors with an intermediate component of the sealing glass.
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