笔筒
Date:2022-02-15 clicks:
Affilication of Author(s):扬州大学
Scope of patent:材料合成与加工工艺
School Sign:扬州大学
Disigner of the Invention:黄逸扬
Patent description:笔筒
Type of Patent:外观设计
State of Patent:专利权有效
Application Number:202130192697.8
Number of Inventors:5
Service Invention or Not:no
Application Date:2021-04-07
Authorization Date:2021-07-13
First Author:CH
