PDF(4897 KB)
PDF(4897 KB)
PDF(4897 KB)
中国专利代理服务网络的时空演化格局及影响因素
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}Spatial and temporal evolutionary patterns and influencing factors of patent agency service networks in China
({{custom_author.role_en}}), {{javascript:window.custom_author_en_index++;}}| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |