PDF(1043 KB)
PDF(1043 KB)
PDF(1043 KB)
德温特公司“世界专利索引”体系的发展及其对我国索引编制工作的启示
Derwent's WPI Retrieval System and Its Enlightenment to the Index-Compiling Service in China
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |