CPC Subgroup Additional Only
H01J 2893/0072 Disassembly or repair of discharge tubes
Full Title
Discharge tubes and lamps > Disassembly or repair of discharge tubes
3 direct subcodes
Child Classifications
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- H01J 2893/0073 Discharge tubes with liquid poolcathodes; constructional details
- H01J 2893/0088 Tubes with at least a solid principal cathode and solid anodes
- H01J 2893/0095 Tubes with exclusively liquid main electrodes