DIFF Subgroup
G04F 7/02 by measuring the distance of fall or the final velocity of a falling body
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Apparatus for measuring unknown time intervals by non-electric means > by measuring the distance of fall or the final velocity of a falling body
CPC:
Apparatus for measuring unknown time intervals by non-electric means (using fluidic means G04F13/06) > by measuring the distance of fall or the final velocity of a falling body
No child classifications to compare. This is a leaf node in both IPC and CPC.