网络环境下的国际专利分类法IPC变革与发展
({{custom_author.role_cn}}), {{javascript:window.custom_author_cn_index++;}}The Innovation and Development of International Patent Classification on the Environment of Internet
({{custom_author.role_en}}), {{javascript:window.custom_author_en_index++;}}| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |