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PCE
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CPC Subgroup
H01J 17/38

Cold-cathode tubes

Full Title

Gas-filled discharge tubes with solid cathode (H01J25/00, H01J27/00, H01J31/00 - H01J41/00 take precedence; gas filled spark gaps H01T; Marx converters H02M7/26) > Cold-cathode tubes

2 direct subcodes

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