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EntityQ1667423· pop 12· linked from 27 articles

International Patent Classification

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Also known as IPC

hierarchical patent classification system

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Vinony's link graph records 27 inbound references to International Patent Classification, and connects out to International Standard Book Number, Council of Europe and Wayback Machine.

Vinony files it under International classification systems and Patent classifications.

Vinony links it to 12 Wikipedia language editions.

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