Patent description: 段文军，孙瑞雪，莫继良，姜英杰，何博，范志勇，一种双刀直线式TBM破岩实验台，2022-12-23，中国发明专利， ZL202110863165.1
Type of Patent: Software copyright
State of Patent: Have authorized
Authorization number: ZL202110863165.1
Service Invention or Not: no
Authorization Date: 2022-12-22