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PCE
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DIFF Subgroup Additional Only
H01J 2223/02

Electrodes; Magnetic control means; Screens

Full Title

Details of transit-time tubes of the types covered by group H01J2225/00 > Electrodes; Magnetic control means; Screens

Of 7 combined children, 0 exist in both systems.

7 codes are CPC-only extensions.

Note: 7 CPC extensions are marked as secondary classification only.