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G01J 2001/4252

Photometry, e.g. photographic exposure meter using electric radiation detectors {for testing lamps or other light sources for testing LED's}

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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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G01J 2001/4247
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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 G01J 2001/4252

Photometry, e.g. photographic exposure meter using electric radiation detectors {for testing lamps or other light sources for testing LED's}

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Patent classification
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Cooperative Patent Classification
Website
http://data.epo.org/linked-data/def/cpc/G01J2001-4252

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