Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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11/00
Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
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G01R11/48
Meters specially adapted for measuring real or reactive components; Meters specially adapted for measuring apparent energy
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G01R11/52
for measuring reactive component
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