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Data version: CNIPA Table of Similar Goods and Services, 2026 text (based on the 13th edition of the Nice Classification, NCL 13-2026, in force since 1 January 2026). Chinese terms, groups and numbers follow the official text; English and Spanish terms are taken from WIPO, while CNIPA-specific items (C numbers) carry reference translations. NCL 13-2027 enters into force on 1 January 2027.

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Class Group Item No. Chinese English
40 4005 400006 纸张加工 paper finishing
40 4005 400061 纸张处理 paper treating
40 4005 400049 书籍装订 bookbinding