H01J 37/20
Means for supporting or positioning the objects or the material; Means for adjusting diaphragms or lenses associated with the support
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Edits on 5 Mar, 2022
Golden AI
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Infobox (+4 properties)
Description (+133 characters)
H01J 37/20
Means for supporting or positioning the objects or the material; Means for adjusting diaphragms or lenses associated with the support
Infobox
Classification Type
Parent classification
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