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罗刚, 赵永杰, 张辉傲. 基于地质勘查废弃钻孔和声波测距的地下水位监测装置. 实用新型, 授权号202120239361.7.

Type of Patent: Utility model patent

Authorization number: 202120239361.7

Service Invention or Not: no

Pre One:
金涛, 罗刚, 胡卸文, 等. 一种岩石高速滑动摩擦试验装置及其试验方法. 实用新型, 授权号2019219393015.
Next One:
罗刚, 张辉傲, 张佳萌. 一种桩板拦石结构. 实用新型, 授权号2019219195993.

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