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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31/00
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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G01R31/327
Testing of circuit interrupters, switches or circuit-breakers
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G01R31/3271
of high voltage or medium voltage devices
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G01R31/3275
Fault detection or status indication
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