DIFF Subgroup
B32B 21/10 Next to a fibrous or filamentary layer
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Layered products essentially comprising wood, e.g. wood board, veneer, wood particle board > Next to a fibrous or filamentary layer
CPC:
Layered products comprising wood, e.g. wood board, veneer, wood particle board > Next to a fibrous or filamentary layer
No child classifications to compare. This is a leaf node in both IPC and CPC.