太阳能采暖系统买家

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solar heating system

太阳能采暖系统买家

[UA] [F1106120] 乌克兰求购太阳能采暖和热水系统(solar heating and hot water system) (11-04)

I would like to test the solar heating and hot water system. I need a kit for heating and hot water supply of a private house. The area of the house is 64 square meters. m The heat loss of the hous...
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