NF P94-524*NF EN ISO 17628:2018 Geotechnical investigation and testing - Geothermal testing - Determination of thermal conductivity of soil and rock using a borehole heat exchanger
2018NF P94-524*NF EN ISO 17628:2018 Geotechnical investigation and testing - Geothermal testing - Determination of thermal conductivity of soil and rock using a borehole heat exchanger