DIFF Subgroup
G01V 7/10 using torsion balances, e.g. Eötvös balance
Introduced: September 1968
Full Title
Measuring gravitational fields or waves; Gravimetric prospecting or detecting > using balances > using torsion balances, e.g. Eötvös balance
No child classifications to compare. This is a leaf node in both IPC and CPC.