DIFF Subgroup
G09B 25/04 of buildings
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Models for purposes not provided for in group , e.g. full-sized devices for demonstration purposes > of buildings
CPC:
Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes (model vehicles, tracks therefor, models in the nature of toys A63H) > of buildings
No child classifications to compare. This is a leaf node in both IPC and CPC.