DIFF Subgroup
G09B 23/20 for atomic physics or neucleonics
Introduced: September 1968
Title
Titles differ between systems:
IPC: for atomic physics or nucleonics
CPC: for atomic physics or neucleonics
Full Title
Full titles differ between systems:
IPC:
Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes > for physics > for atomic physics or nucleonics
CPC:
Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes (in the nature of toys A63H) > for physics > for atomic physics or neucleonics
No child classifications to compare. This is a leaf node in both IPC and CPC.