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G03B 11/00

Filters or other obturators specially adapted for photographic purposes

OverviewStructured DataIssuesContributors
Is a
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Patent classification
Child Classification
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G03B 11/02
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G03B 11/04
Classification Type
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Cooperative Patent Classification
Parent Classification
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G03B
Official Website
data.epo.org/linked-d...G03B11-00

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