DIFF Subgroup
F21S 9/03 rechargeable by exposure to light
Introduced: January 2000
Full Title
Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply > the power supply being a battery or accumulator > rechargeable by exposure to light
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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