語系
Qiao, Yongzhong.
概要
| 作品: | 1 作品在 1 項出版品 1 種語言 | |
|---|---|---|
書目資訊
Maintenance time and the industry development of patentsempirical research with evidence from China /
by:
Qiao, Yongzhong.; SpringerLink (Online service)
(書目-電子資源)