Dear Patrons，

Due to the website of Intellectual Property Information Service Center is under maintenance, the access will be affected until 14th June. For any service-related queries, feel free to contact 0512-81889103 or ipisc@xjtlu.edu.cn. 

We would like to apologize for any inconvenience caused and thanks for all your understanding.

XJTLU Library

June 12, 2023