一种掘进机进尺测量方法-澳大利亚
- School Sign:第一单位
- Disigner of the Invention:周红亚,李小玉,wangzhongbin,刘朋,tanchao,yanhaifeng,葛逸鹏,LIU Songyong,jianghongxiang,liuxinhua
- State of Patent:专利授权
- Application Number:2020267195
- Service Invention or Not:no
- Application Date:2019-12-11
- Authorization Date:2022-06-09
- First Author:Si Lei
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