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PCE
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DIFF Subgroup
G01P 3/08

using differential gearing

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds > Devices characterised by the use of mechanical means > by comparing two speeds > using differential gearing

CPC:

Measuring linear or angular speed; Measuring differences of linear or angular speeds (G01P5/00 - G01P11/00 take precedence; ; counting mechanisms G06M) > Devices characterised by the use of mechanical means > by comparing two speeds > using differential gearing

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