Release time:2020-12-09  Hits:

• Affilication of Author(s):扬州大学
• Scope of patent:部门经济管理
• School Sign:扬州大学
• Patent Applicant:黄家美
• Patent description:一种旅游指示牌
• Type of Patent:实用新型
• State of Patent:有效
• Application Number:201720153062.5
• Number of Inventors:3
• Service Invention or Not:no
• Application Date:2017-02-09
• Authorization Date:2017-11-10
• First Author:HJM