DIFF Subgroup
H01K 3/30 Repairing or regenerating used or defective lamps
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Apparatus or processes adapted to the manufacture, installing, removal or maintenance of incandescent lamps or parts thereof > Repairing or regenerating used or defective lamps
CPC:
Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof (manufacture of vessels from glass C03B) > Repairing or regenerating used or defective lamps
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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