DIFF Subgroup
B32B 13/14 next to a fibrous or filamentary layer
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Layered products essentially comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material > next to a fibrous or filamentary layer
CPC:
Layered products comprising a water-setting substance, e.g. concrete, plaster, asbestos cement, or like builders' material > next to a fibrous or filamentary layer
No child classifications to compare. This is a leaf node in both IPC and CPC.