DIFF Subgroup
G01B 9/023 for contour producing (G01B9/025 - G01B9/029 take precedence)
Introduced: July 1974
Title
Titles differ between systems:
IPC: for contour producing
CPC: for contour producing (G01B9/025 - G01B9/029 take precedence)
Full Title
Full titles differ between systems:
IPC:
Measuring instruments characterised by the use of optical techniques > Interferometers > using holographic techniques > for contour producing
CPC:
Measuring instruments characterised by the use of optical techniques > Interferometers > using holographic techniques > for contour producing (G01B9/025 - G01B9/029 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.