DIFF Subgroup
G01N 3/50 by measuring rolling friction, e.g. by rocking pendulum (G01N3/54 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: by measuring rolling friction, e.g. by rocking pendulum
CPC: by measuring rolling friction, e.g. by rocking pendulum (G01N3/54 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Investigating strength properties of solid materials by application of mechanical stress > Investigating hardness or rebound hardness > by measuring rolling friction, e.g. by rocking pendulum
CPC:
Investigating strength properties of solid materials by application of mechanical stress > Investigating hardness or rebound hardness > by measuring rolling friction, e.g. by rocking pendulum (G01N3/54 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.