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罗刚, 袁彬, 邓凯丰, 等. 一种新型隧道掌子面爆破除尘装置. 实用新型,授权号201821911114.1.

Type of Patent: Utility model patent

Authorization number: 201821911114.1

Service Invention or Not: no

Pre One:
罗刚, 张传智, 杨远翔. 一种泥石流撞击力测量装置. 实用新型, 授权号201921734915X.
Next One:
徐凡献, 王峰, 周东勇, 马留闯, 罗刚. 隧道爆破除尘装置. 发明专利, 授权号201811436180.2.

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