DIFF Subgroup
G01C 3/02 Details
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Measuring distances in line of sight; Optical rangefinders > Details
CPC:
Measuring distances in line of sight; Optical rangefinders (tapes, chains or wheels for measuring length G01B3/00; active triangulation systems, i.e. using the transmission and reflection of electromagnetic waves other than radio waves, G01S17/48) > Details
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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- G01C 3/04 Adaptation of rangefinders for combination with telescopes or binoculars IPC+CPC Available in IPC and CPC