Top IPC subclasses
1
|
G01R
|
16
|
Measuring electric variables; measuring magnetic variables
|
2
|
H01C
|
15
|
resistors
|
3
|
H01B
|
7
|
cablesconductorsinsulatorsselection of materials for their conductive, insulating, or dielectric pro
|
4
|
H02M
|
1
|
apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use wit
|
5
|
G01B
|
1
|
measuring length, thickness, or similar linear dimensionsmeasuring anglesmeasuring areasmeasuring ir
|
6
|
B21C
|
1
|
manufacture of metal sheets, wire, rods, tubes or profiles, otherwise than by rollingauxiliary opera
|