Top IPC subclasses
1
|
G01N
|
4
|
Investigating or analysing materials by determining their chemical or physical properties
|
2
|
A61B
|
2
|
Diagnosis; surgery; identification
|
3
|
C01B
|
1
|
non-metallic elementscompounds thereof
|
4
|
C12Q
|
1
|
measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
|