DIFF Subgroup
E06B 5/06 with fixed metal frames
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Doors, windows, or like closures for special purposes; Border constructions therefor > for out-buildings or cellars; Other simple closures not designed to be close-fitting > with fixed metal frames
CPC:
Doors, windows, or like closures for special purposes ; Border constructions therefor > for out-buildings or cellars; Other simple closures not designed to be close-fitting > with fixed metal frames
No child classifications to compare. This is a leaf node in both IPC and CPC.