Geotechnical investigation and testing. Sampling methods and groundwater measurements-Qualification criteria for enterprises and personnel
岩土工程勘察和测试 采样方法和地下水测量
2011-01-31
BS 22475-3-2011
Geotechnical investigation and testing. Sampling methods and groundwater measurements-Conformity assessment of enterprises and personnel by third party
岩土工程勘察和测试 采样方法和地下水测量
2011-01-31
BS EN ISO 22475-1-2021
Geotechnical investigation and testing. Sampling methods and groundwater measurements-Technical principles for the sampling of soil, rock and groundwater
岩土工程勘察和测试 采样方法和地下水测量
2021-11-01
ISO 22475-1-2021
Geotechnical investigation and testing — Sampling methods and groundwater measurements — Part 1: Technical principles for the sampling of soil, rock and groundwater
岩土工程勘察和试验.取样方法和地下水测量.第1部分:土壤、岩石和地下水取样的技术原则
2021-10-05
UNE-EN ISO 22475-1-2010
Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for execution (ISO 22475-1:2006)
岩土工程勘察和试验取样方法和地下水测量第1部分:施工技术原则
2010-12-01
DIN EN ISO 22475-1
Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1: Technical principles for the sampling of soil, rock and groundwater (ISO 22475-1:2021)
岩土工程勘察和试验.取样方法和地下水测量.第1部分:土壤、岩石和地下水取样的技术原则（ISO 22475-1-2021）；德文版EN ISO 22475-1:2021
2022-02-01
BS 10/30209257 DC
BS 22475-2. Geotechnical investigation and testing. Sampling methods and groundwater measurements. Part 2. Qualification criteria for enterprises and personnel
英国标准22475-2 岩土工程勘察和测试 采样方法和地下水测量 第二部分 企业和人员资格标准
2010-01-27
BS 10/30209259 DC
BS 22475-3. Geotechnical investigation and testing. Sampling methods and groundwater measurements. Part 3. Conformity assessment of enterprises and personnel by third party
英国标准22475-3 岩土工程勘察和测试 采样方法和地下水测量 第三部分 第三方对企业和人员的合格评定