CPC Subgroup
H01J 23/14 Leading-in arrangements; Seals therefor
Full Title
Details of transit-time tubes of the types covered by group H01J25/00 > Leading-in arrangements; Seals therefor
1 direct subcode
Child Classifications
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- H01J 23/15 Means for preventing wave energy leakage structurally associated with tube leading-in arrangements, e.g. filters, chokes, attenuating devices