F21Y
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES [CPC: F21K], [CPC: F21L], [CPC: F21S] and [CPC: F21V], RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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Edits on 16 Mar, 2022
Golden AI
Golden AI
Edits on 5 Mar, 2022
Golden AI
Golden AI
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Description (+189 characters)
F21Y
INDEXING SCHEME ASSOCIATED WITH SUBCLASSES [CPC: F21K], [CPC: F21L], [CPC: F21S] and [CPC: F21V], RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
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