一种钻掘式掘进机

Release time:2023-12-26 Hits:

School Sign:第一单位

Disigner of the Invention:潘朝港,杨猛

Type of Patent:国内

State of Patent:专利授权

Application Number:202210130683.7

Service Invention or Not:no

Application Date:2022-02-12

Authorization Date:2023-05-16

First Author:chenshuzhao