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GB201318392D0
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Vacuum switching device having axial field contacts
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ES232949A1
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Electric motor with rotor and stator components (Machine-translation by Google Translate, not legally binding)
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ES232948A1
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Electrical supply devices for polyphasic synchronous electric motors (Machine-translation by Google Translate, not legally binding)
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ES232947A1
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Improvements in the construction of electric winch apparatus (Machine-translation by Google Translate, not legally binding)
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ES223978A1
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Improvements in the manufacture of semiconductor devices (Machine-translation by Google Translate, not legally binding)
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ES173891A1
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Procedure for the manufacture of hermetic closures in which electrical conducters pass through a glass wall
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ES175720A1
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A lighting apparatus for use in combination with an electric shock lamp
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ES174648A1
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Improvements in or relative to the production of luminous sources, of the type comprising one or more electrical discharge devices
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ES174327A1
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Improvements introduced in the devices or lamps of electric shock in high pressure mercury vapor
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ES174140A1
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A capacitive circuit for electrical discharge lamp
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ES174104A1
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Improvements in or relative to the production of luminous sources, of which one element is a lamp hpwv
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ES173626A1
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A procedure and machine for the production of an annular closure
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ES172971A1
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A electric discharge lamp
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ES172465A1
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Improvements in the manufacture of closure elements and mercury steam electric discharge devices
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ES172241A1
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A method of preparing artificial luminescent material comprising halophosphates
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ES171606A1
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Lamp holder for a tubular electrical lamp.
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ES171605A1
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A circuit for an electrical discharge device.
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ES171419A1
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A combination of a spherical electric shock device hpmv, with means to maneuver it
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ES171420A1
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A method for strictly joining a closure organ to a glass envelope
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ES147737A1
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An apparatus for separating materials of different specific gravity.
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