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国际专利分类（IPC）
World Intellectual Property Organization
2022
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Title
国际专利分类（IPC）
Item Type
Book
Description
7 pages ; [28] cm
DOI
https://doi.org/10.34667/tind.45031
Summary
有效易用的专利文献分类和检索系统
Series
Type of File
Print publication.
Translations
Published
Geneva, Switzerland : World Intellectual Property Organization, 2022.
Language
Chinese
Copyright Information
License: CC BY 4.0
Record Appears in
WIPO Publications > Chinese
WIPO OAI Set
Added Corporate Author
World Intellectual Property Organization

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