A61B 3/0325
Devices for presenting test symbols or characters, e.g. test chart projectors {provided with red and green targets}
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Edits on 16 Mar, 2022
Golden AI
Edits on 9 Mar, 2022
Golden AI
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Infobox (+3 properties)
Description (+115 characters)
A61B 3/0325
Devices for presenting test symbols or characters, e.g. test chart projectors {provided with red and green targets}
Infobox
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