DIFF Subgroup
E01B 35/06 for measuring irregularities in longitudinal direction
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Applications of measuring apparatus or devices for track-building purposes > for measuring irregularities in longitudinal direction
CPC:
Applications of measuring apparatus or devices for track-building purposes (apparatus on locomotives or cars to indicate or record bad track sections B61K9/00; measuring angles, linear dimensions, or irregularities in general G01B, G01C) > for measuring irregularities in longitudinal direction
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
Child Classifications
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