IPC Subgroup
B32B 11/02 with fibres or particles embedded in it or bonded with it
Introduced: September 1968
Last revised: January 2006
Full Title
Layered products essentially comprising bituminous or tarry substances > with fibres or particles embedded in it or bonded with it
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- LAYERED PRODUCTS
- Subclass:
- LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM