DIFF Subgroup
G09B 23/06 for physics
Introduced: September 1968
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
CPC:
Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes (in the nature of toys A63H) > for physics
IPC and CPC are identically structured here. All 6 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
Child Classifications
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