FR701564A - Perfectionnement apportés aux installations d'appareils électriques à vide, et notamment aux installations de redresseurs à vapeur de mercure
- Google Patents
Perfectionnement apportés aux installations d'appareils électriques à vide, et notamment aux installations de redresseurs à vapeur de mercure
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
Original Assignee
Societe Generale de Constructions Electriques et Mecaniques
Cegelec SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Societe Generale de Constructions Electriques et Mecaniques , Cegelec SAfiledCriticalSociete Generale de Constructions Electriques et Mecaniques
Application grantedgrantedCritical
Publication of FR701564ApublicationCriticalpatent/FR701564A/fr
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
H01J9/385—Exhausting vessels
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
FR701564D1929-12-061929-12-06Perfectionnement apportés aux installations d'appareils électriques à vide, et notamment aux installations de redresseurs à vapeur de mercure
ExpiredFR701564A
(fr)