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  4. Standard "GB/T 23889-2009"
Standard GB/T 23889-2009 1.6.2009 preview

GB/T 23889-2009

Specifications of air source heat pump assisted domestic solar water heating systems

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STANDARD published on 1.6.2009


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Price442.80 USD excl. VAT
442.80 USD

The information about the standard:

Designation standards: GB/T 23889-2009
Publication date standards: 1.6.2009
SKU: NS-878589
Country: Chinese technical standard
Category: Technical standards GB

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