秦礼萍
一种地质锤
Release time:2021-07-24Hits:
Affilication of Author(s): 中国科学技术大学
Disigner of the Invention: qinliping
Patent description: 发明
Application Number: 201810443299.6
Number of Inventors: 2
Service Invention or Not: no
Publication Date: 2018-08-10
First Author: 冯泰韦