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H04M

Telephonic communication

OverviewStructured DataIssuesContributors
Is a
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Patent classification
Child Classification
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H04M 17/00
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H04M 2207/00
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H04M 2203/00
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H04M 2201/00
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H04M 19/00
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H04M 99/00
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H04M 15/00
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H04M 11/00
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H04M 13/00
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H04M 1/00
•••
Classification Type
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Cooperative Patent Classification
Parent Classification
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H04
Official Website
data.epo.org/linked-d.../cpc/H04M

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