DIFF Subgroup
H01J 5/12 Double-wall vessels or containers
Introduced: September 1968
Full Title
Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps > Vessels; Containers; Shields associated therewith; Vacuum locks > Double-wall vessels or containers
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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