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SOGEV STE GLE DU VIDE
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SOGEV STE GLE DU VIDE
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Application filed by SOGEV STE GLE DU VIDEfiledCriticalSOGEV STE GLE DU VIDE
Priority to FR7103007ApriorityCriticalpatent/FR2123741A6/fr
Application grantedgrantedCritical
Publication of FR2123741A6publicationCriticalpatent/FR2123741A6/fr
H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes