Top IPC subclasses
1
|
B01D
|
4
|
Separation
|
2
|
C25D
|
2
|
processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
|
3
|
C11B
|
1
|
producing (pressing, extraction), refining or preserving fats, fatty substances (e.g. lanolin), fatt
|
4
|
A01F
|
1
|
threshingbaling of straw, hay or the likestationary apparatus or hand tools for forming or binding s
|