using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes

Full Title

Geothermal collectors > with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground > using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes

Child Classifications

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• F24T 10/15 using bent tubes; using tubes assembled with connectors or with return headers
• F24T 10/17 using tubes closed at one end, i.e. return-type tubes