钢平台和竖井孔壁固定式挖掘设备

Francis Siu (Inventor), LAU Chi-Keung (Inventor), Xingjian Jing (Inventor), LAU Chi-Wang James (Inventor), Ping Chuen Chan (Inventor), Chi Ho Michael Yam (Inventor), LAU Chi-Ming (Inventor), Dong Guan (Inventor), Dandan Li (Inventor), Hon Kit Lai (Inventor), Nan Yang (Inventor)

Research output: Patents, agreements, assignments and companiesPatents granted

Original languageChinese (Simplified)
Patent numberZL202020431251.6
Publication statusPublished - 4 Dec 2020

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