初探国有企业低价值专利的放弃流程 / Exploring the abandonment process of low-value patents in state owned enterprises
- Resource Type
- Academic Journal
- Source
- 技术与市场 / Technology and Market. 30(11):45-49
- Subject
专利 分级分类 低价值专利 放弃 年费 patents classification low-value patent abandonment annual fee - Language
- Chinese
- ISSN
- 1006-8554