H03M2201/8104 - CPC Classification Index

ClassID:

223223 ⎘

H03M2201/8104 - CPC Classification

Classification description:

Sub-classes:

H03M2201/8108 » Vacuum tubes 0
H03M2201/8112 » Gaseous tubes 0
H03M2201/8116 » Counting tubes; Beam switching tubes 0
H03M2201/812 » Cathode ray tubes 0