DIFF Subgroup
B32B 23/12 next to a particulate layer
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Layered products essentially comprising cellulosic plastic substances > next to a particulate layer
CPC:
Layered products comprising cellulosic plastic substances > next to a particulate layer
No child classifications to compare. This is a leaf node in both IPC and CPC.