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DIFF Subgroup
G01R 35/02

of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

Introduced: September 1968

Full Title

Testing or calibrating of apparatus covered by the other groups of this subclass > of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating

No child classifications to compare. This is a leaf node in both IPC and CPC.