CPC Main Group Additional Only
B01D 2239/00 Aspects relating to filtering material for liquid or gaseous fluids
6 direct subcodes
Child Classifications
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- B01D 2239/02 Types of fibres, filaments or particles, self-supporting or supported materials
- B01D 2239/04 Additives and treatments of the filtering material
- B01D 2239/06 Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D 2239/08 Special characteristics of binders
- B01D 2239/10 Filtering material manufacturing
- B01D 2239/12 Special parameters characterising the filtering material