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G01C 17/38

Testing, calibrating, or compensating of compasses

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes > Testing, calibrating, or compensating of compasses

CPC:

Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes (using gyroscopic effect G01C19/00) > Testing, calibrating, or compensating of compasses

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