DIFF Subgroup
F21L 13/02 with fluid drive
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Electric lighting devices with built-in electric generators > with fluid drive
CPC:
Electric lighting devices with built-in electric generators (with solar cells F21L4/00) > with fluid drive
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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