DIFF Subgroup
G01B 3/40 for external screw-threads
Introduced: September 1968
Title
Titles differ between systems:
IPC: for external screw threads
CPC: for external screw-threads
Full Title
Full titles differ between systems:
IPC:
Measuring instruments characterised by the use of mechanical techniques > Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable > for external screw threads
CPC:
Measuring instruments characterised by the use of mechanical techniques > Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable > for external screw-threads
No child classifications to compare. This is a leaf node in both IPC and CPC.