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Application filed by Landis & Gyr AgfiledCriticalLandis & Gyr Ag
Application grantedgrantedCritical
Publication of AT188396BpublicationCriticalpatent/AT188396B/de
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
AT188396D1954-06-231955-06-03Lichtelektrisches Eich- und Prüfgerät für Elektrizitätszähler
AT188396B
(de)