{"version":"1.0","provider_name":"Wielka Zmiana","provider_url":"https:\/\/wielkazmiana.pl","title":"Principles of Operation for Different Types of Ground Heat Exchangers – Glycol, Gravel, and Plate Systems","type":"rich","width":600,"height":338,"html":"
Principles of Operation for Different Types of Ground Heat Exchangers – Glycol, Gravel, and Plate Systems<\/a><\/blockquote>