SE99492C1SE218634ASE218634ASE99492C1SE 99492 C1SE99492 C1SE 99492C1SE 218634 ASE218634 ASE 218634ASE 218634 ASE218634 ASE 218634ASE 99492 C1SE99492 C1SE 99492C1
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SE
Sweden
Application number
SE218634A
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Publication date
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Priority to SE218634ApriorityCriticalpatent/SE99492C1/xx
Publication of SE99492C1publicationCriticalpatent/SE99492C1/xx
H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
H01J9/38—Exhausting, degassing, filling, or cleaning vessels