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F21V 13/045

Combinations of only two kinds of elements the elements being reflectors and refractors {for portable lighting devices}

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Edits on 16 Mar, 2022
"Entity importer update"
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Golden AI
edited on 16 Mar, 2022
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F21V 13/04
Edits on 5 Mar, 2022
"Created via: Entity Importer"
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Golden AI
created this topic on 5 Mar, 2022
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 F21V 13/045

Combinations of only two kinds of elements the elements being reflectors and refractors {for portable lighting devices}

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Cooperative Patent Classification
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http://data.epo.org/linked-data/def/cpc/F21V13-045

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