1592953355000 1312632483000 term-46473 1616541213026 1312632540000 1616290295080 adlib fitz-online adlib-term-46473 5f457b54-b23d-3e48-bcf6-5f2beb3be494 2 1 heat pumps, solar-assisted heat pumps, solar-assisted term reference term-48972 adlib-term-48972 a8a5b45d-6261-3209-ad63-65f73839f87c solar-assisted heat pumps