CPC Subgroup Additional Only
H01J 2217/492 Details
Full Title
Gas-filled discharge tubes > Cold-cathode tubes > Display panels, e.g. not making use of alternating current (H01J2211/10 takes precedence) > Details
3 direct subcodes
Child Classifications
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- H01J 2217/49207 Electrodes
- H01J 2217/49264 Vessels
- H01J 2217/49285 Associated optical means