Hits:
Type of Patent:中国发明专利
State of Patent:授权
Authorization number:CN 109298288 A
Service Invention or Not:no
Authorization Date:2019-09-26
First Author:liangrui
Hits:
Type of Patent:中国发明专利
State of Patent:授权
Authorization number:CN 109298288 A
Service Invention or Not:no
Authorization Date:2019-09-26
First Author:liangrui