DIFF Subgroup
G01N 3/62 Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
Introduced: September 1968
Full Title
Investigating strength properties of solid materials by application of mechanical stress > Manufacturing, calibrating, or repairing devices used in investigations covered by the preceding subgroups
No child classifications to compare. This is a leaf node in both IPC and CPC.