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Expired
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GB13642/31A
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Individual
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Individual
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Publication of GB383289ApublicationCriticalpatent/GB383289A/en
383,289. Metallic-vapour apparatus. LUTZ, F., 32, Sulgenauweg, Berne, Switzerland. May 8, 1931, No. 13642. Convention date, May 8, 1930. [Class 39 (i).] The vapour pressure in the anode space is diminished by an evaporative cooler, the vapour from which is led to a condenser by means of a compressor operated from a source of energy independent of the waste heat energy or the load on the apparatus. Specification 341,569 is referred to.
GB13642/31A1930-05-081931-05-08Improvements in metal vapour electric discharge apparatus
ExpiredGB383289A
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